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[]
[null,null,null,"HAND-ARM VIBRATION EXPOSURE CALCULATOR",null,null,null,null,null,null,null,null,null,null,null,null,null,null,"     Version 5.6 June 2019",null,null,"Calculation date",null,"2021-07-21T10:40:19",null,null,"LockToolOrProcessName",false]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"LockToolOrProcessName",false]
[]
[null,null,null,"Company name / work area:"]
[null,null,null,"Employee ID and/or task name:"]
[]
[null,"Tool or process name",null,"Vibration",null,"Exposure",null,"Time to reach EAV",null,null,"Time to reach ELV",null,null,"Exposure",null,null,"Partial",null,"Partial"]
[null,null,null,"magnitude",null,"points",null,"2.5 m/s2 A(8)",null,null,"5 m/s2 A(8)",null,null,"duration",null,null,"exposure",null,"exposure",null,null,"HSL Look up","HSL Notes","HSE Industry","HSE Range","time in hrs","time in hrs","time in mins"]
[null,null,null,"m/s²",null,"per hour",null,"hours","minutes",null,"hours","minutes",null,"hours","minutes",null,"m/s² A(8)",null,"points",null,null,null,null,null,null,"to EAV","to ELV"]
[null,null,"Example Reading",2.5,null,{"$f":"IF(D11<=0,\"\",(2*D11*D11))","v":12.5},null,{"$f":"IF(D11<=0,\"\",IF(Z11>=24,\">24\",TRUNC(Z11)))","v":8},{"$f":"IF(D11<=0,\"\",IF(Z11>=24,\"\",(Z11-H11)*60))","v":0},null,{"$f":"IF(D11<=0,\"\",IF(AA11>=24,\">24\",TRUNC(AA11)))","v":">24"},{"$f":"IF(D11<=0,\"\",IF(AA11>=24,\"\",(AA11-K11)*60))","v":""},null,null,null,null,{"$f":"IF(OR(D11<=0,AB11<=0, AB11>1440),\"\",(D11*(AB11^0.5)/21.9))","v":""},null,{"$f":"IF(Q11=\"\",\"\",VALUE(FIXED((Q11^2)*100/6.25,0,TRUE)))","v":""},null,null,{"$f":"ROUND(INDEX(HSEToolsLookupValues,MATCH('HAV calculator'!C11,HSEToolLookupNames,0),1),0)","v":{"$error":"#N/A"}},{"$f":"INDEX(HSEToolsLookupNotes,MATCH('HAV calculator'!C11,HSEToolLookupNames,0))","v":{"$error":"#N/A"}},{"$f":"INDEX(HSEToolsLookupIndustry,MATCH('HAV calculator'!C11,HSEToolLookupNames,0))","v":{"$error":"#N/A"}},{"$f":"ROUND(INDEX(HSEToolsLookupLowerUpper,MATCH('HAV calculator'!C11,HSEToolLookupNames,0),1),0)&\" - \"&ROUND(INDEX(HSEToolsLookupLowerUpper,MATCH('HAV calculator'!C11,HSEToolLookupNames,0),2),0)","v":{"$error":"#N/A"}},{"$f":"IF(D11<=0,\" \",(8*2.5*2.5/(D11*D11)))","v":8},{"$f":"IF(D11<=0,\"\",(8*5*5/(D11*D11)))","v":32},{"$f":"(N11*60)+O11","v":0}]
[null,null,"Example Reading 2",7.1,null,100.82,null,0,59.512001586986713,null,3,58.048006347946867,null,null,null,null,"",null,"",null,null,{"$f":"ROUND(INDEX(HSEToolsLookupValues,MATCH('HAV calculator'!C12,HSEToolLookupNames,0),1),0)","v":{"$error":"#N/A"}},{"$f":"INDEX(HSEToolsLookupNotes,MATCH('HAV calculator'!C12,HSEToolLookupNames,0))","v":{"$error":"#N/A"}},{"$f":"INDEX(HSEToolsLookupIndustry,MATCH('HAV calculator'!C12,HSEToolLookupNames,0))","v":{"$error":"#N/A"}},{"$f":"ROUND(INDEX(HSEToolsLookupLowerUpper,MATCH('HAV calculator'!C12,HSEToolLookupNames,0),1),0)&\" - \"&ROUND(INDEX(HSEToolsLookupLowerUpper,MATCH('HAV calculator'!C12,HSEToolLookupNames,0),2),0)","v":{"$error":"#N/A"}},0.99186669311644526,3.9674667724657811,0]
[null,null,"Example Reading 3",10.6,null,{"$f":"IF(D13<=0,\"\",(2*D13*D13))","v":224.72},null,0,26.699893200427198,null,1,46.799572801708791,null,null,null,null,"",null,"",null,null,{"$f":"ROUND(INDEX(HSEToolsLookupValues,MATCH('HAV calculator'!C13,HSEToolLookupNames,0),1),0)","v":{"$error":"#N/A"}},{"$f":"INDEX(HSEToolsLookupNotes,MATCH('HAV calculator'!C13,HSEToolLookupNames,0))","v":{"$error":"#N/A"}},{"$f":"INDEX(HSEToolsLookupIndustry,MATCH('HAV calculator'!C13,HSEToolLookupNames,0))","v":{"$error":"#N/A"}},{"$f":"ROUND(INDEX(HSEToolsLookupLowerUpper,MATCH('HAV calculator'!C13,HSEToolLookupNames,0),1),0)&\" - \"&ROUND(INDEX(HSEToolsLookupLowerUpper,MATCH('HAV calculator'!C13,HSEToolLookupNames,0),2),0)","v":{"$error":"#N/A"}},0.44499822000711997,1.7799928800284799,0]
[null,null,"Example Reading 4",17.600000000000001,null,619.5200000000001,null,0,9.6849173553718995,null,0,38.739669421487598,null,null,null,null,"",null,"",null,null,{"$f":"ROUND(INDEX(HSEToolsLookupValues,MATCH('HAV calculator'!C14,HSEToolLookupNames,0),1),0)","v":{"$error":"#N/A"}},{"$f":"INDEX(HSEToolsLookupNotes,MATCH('HAV calculator'!C14,HSEToolLookupNames,0))","v":{"$error":"#N/A"}},{"$f":"INDEX(HSEToolsLookupIndustry,MATCH('HAV calculator'!C14,HSEToolLookupNames,0))","v":{"$error":"#N/A"}},{"$f":"ROUND(INDEX(HSEToolsLookupLowerUpper,MATCH('HAV calculator'!C14,HSEToolLookupNames,0),1),0)&\" - \"&ROUND(INDEX(HSEToolsLookupLowerUpper,MATCH('HAV calculator'!C14,HSEToolLookupNames,0),2),0)","v":{"$error":"#N/A"}},0.16141528925619833,0.64566115702479332,0]
[null,null,null,null,null,"",null,"","",null,"","",null,null,null,null,"",null,"",null,null,{"$f":"ROUND(INDEX(HSEToolsLookupValues,MATCH('HAV calculator'!C15,HSEToolLookupNames,0),1),0)","v":{"$error":"#N/A"}},{"$f":"INDEX(HSEToolsLookupNotes,MATCH('HAV calculator'!C15,HSEToolLookupNames,0))","v":{"$error":"#N/A"}},{"$f":"INDEX(HSEToolsLookupIndustry,MATCH('HAV calculator'!C15,HSEToolLookupNames,0))","v":{"$error":"#N/A"}},{"$f":"ROUND(INDEX(HSEToolsLookupLowerUpper,MATCH('HAV calculator'!C15,HSEToolLookupNames,0),1),0)&\" - \"&ROUND(INDEX(HSEToolsLookupLowerUpper,MATCH('HAV calculator'!C15,HSEToolLookupNames,0),2),0)","v":{"$error":"#N/A"}}," ","",0]
[null,null,null,null,null,"",null,"","",null,"","",null,null,null,null,"",null,"",null,null,{"$f":"ROUND(INDEX(HSEToolsLookupValues,MATCH('HAV calculator'!C16,HSEToolLookupNames,0),1),0)","v":{"$error":"#N/A"}},{"$f":"INDEX(HSEToolsLookupNotes,MATCH('HAV calculator'!C16,HSEToolLookupNames,0))","v":{"$error":"#N/A"}},{"$f":"INDEX(HSEToolsLookupIndustry,MATCH('HAV calculator'!C16,HSEToolLookupNames,0))","v":{"$error":"#N/A"}},{"$f":"ROUND(INDEX(HSEToolsLookupLowerUpper,MATCH('HAV calculator'!C16,HSEToolLookupNames,0),1),0)&\" - \"&ROUND(INDEX(HSEToolsLookupLowerUpper,MATCH('HAV calculator'!C16,HSEToolLookupNames,0),2),0)","v":{"$error":"#N/A"}}," ","",0]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Total time in minutes:",{"$f":"SUM(AB11:AB16)","v":0}]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Daily",null,"Total",null,null,null,null,null,null,null,"Total time in hours:",{"$f":"SUM(N11:N16)+SUM(O11:O16)/60","v":0},"Used by conditional formatting (time > 24hs shows in red."]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"exposure",null,"exposure"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"m/s² A(8)",null,"points"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,{"$f":"IF(COUNT(Q11:Q16)=0,\"\",SQRT(SUMSQ(Q11:Q16)))","v":""},null,{"$f":"IF(OR(SUM(S11:S16)<=0,Q21 = \"\"),\"\",SUM(S11:S16))","v":""}]
[]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,{"$f":"IF(S21=\"\",\"\",IF(Q21>5.005,\"WARNING: Exposure above \n5m/s²A(8) ELV (400 points)\",IF(Q21>4,\"WARNING: Exposure potentially \nabove 5m/s²A(8) ELV (400 points)\",IF(Q21>=2.5,\"WARNING: Exposure at or above \n2.5m/s²A(8) EAV (100 points)\",IF(Q21>2,\"WARNING: Exposure potentially  \nabove 2.5m/s²A(8) EAV (100 points)\",IF(Q21>0,\"Exposure likely to be below\n2.5m/s²A(8) EAV (100 points)\",\"\"))))))","v":""}]
[]
[]
[null,null,null,"Exposure calculation by:",null,null,null,null,null,null,null,null,null,null,null,null,"Calculation date: ",{"$f":"IF(HSE_CalcDate=\"\",\"\",TEXT(HSE_CalcDate,\"dd mmm yyyy\"))","v":"21 Jul 2021"}]
[null,null,null,"Job role:"]

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[]
[]
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[]
[null,null,null,null,null,null,"HAND-ARM VIBRATION EXPOSURE CALCULATOR"]
[null,null,null,null,null,null,"Instructions and Definitions"]
[]
[null,"Instructions"]
[]
[null,"Insert your input values in the white areas, in one or more of the six Tool or Process Name rows."]
[null,"(More than one row is required where the individual is exposed to vibration from more than one tool or process within the same day.)"]
[]
[null,"By selecting tools from the drop-down lists the spreadsheet uses the indicative vibration magnitude data based on HSE's data table at:"]
[null,"http://www.hse.gov.uk/vibration/hav/source-vibration-magnitude-app3.pdf"]
[null,"When HSE data is selected, additional information can be viewed by hovering over the blue info cell next to the tool type."]
[]
[null,"After entering the data, press the Enter key, or move the cursor to another cell."]
[null,"The outputs will appear in the yellow areas.  (Yellow cells will remain blank if valid input data have not been entered.)"]
[]
[null,"To clear the calculator of all values, click on the Reset button.  (The buttons will only work if macros are enabled in Excel.)"]
[null,"To resize the calculator to fit your screen click on the Zoom to Fit button."]
[]
[null,"The ranges cleared by the Reset button can be changed by selecting:"]
[null,"Lock tool or process information",null,null,"This prevents the tool or process information (name and vibration magnitude) being cleared by Reset"]
[null,"Lock company and calc. by names",null,null,"This prevents the company name/work area, calculation by and job role fields being cleared by Reset"]
[]
[null,"Definitions: Inputs"]
[]
[null,"The Vibration magnitude is the frequency-weighted r.m.s. acceleration value in m/s2 for each tool or process."]
[null,"The Exposure duration is the total daily vibration contact time or \"trigger time\" for each tool or process."]
[null,"It may be expressed in any combinations of hours and/or minutes but must not exceed 24 hours (entries will turn red if the total time exceeds 24hours)."]
[]
[null,"Definitions: Outputs"]
[]
[null,"Exposure points per hour is the number of points by which exposure increases per hour."]
[null," e.g. A machine giving 25 points per hour, if used for 3 hours will give an exposure of 3 x 25 = 75 points"]
[null,"(Exposure points is a simple alternative to the A(8) value for describing and managing exposures in the workplace. "]
[null," The exposure action value (EAV) is equivalent to 100 points and the exposure limit value (ELV) is equivalent to 400 points)."]
[]
[null,"Time to reach EAV is the time required to reach the exposure action value (EAV) of 2.5 m/s2 A(8)."]
[]
[null,"Time to reach ELV is the time required to reach the exposure limit value (ELV) of 5 m/s2 A(8)."]
[]
[null,"(Exposure points per hour, time to reach EAV and the time to reach ELV are calculated from the vibration magnitude for each tool or process.)"]
[]
[null,"Partial exposure is the vibration exposure, expressed in m/s2 A(8) and in exposure points, for each tool or process.  "]
[null,"It is calculated from the vibration magnitude and the exposure duration."]
[]
[null,"Total exposure, also in m/s2 A(8) and in exposure points, is calculated from all the partial exposures."]
[]
[null,"Note:  A partial or total exposure will not be calculated if the corresponding exposure duration exceeds 24 hours."]
[]
[null,"Warning indicators"]
[]
[null,"When a value for daily vibration exposure is shown, a warning indicator will be displayed below the daily exposure value:"]
[null,null,"\"WARNING: Exposure above 5m/s²A(8) ELV (400 points)\""]
[null,null,null,"The calculated exposure value is above the exposure limit value"]
[null,null,"\"WARNING: Exposure potentially above 5m/s²A(8) ELV (400 points)\""]
[null,null,null,"The calculated exposure value is just below the exposure limit value, "]
[null,null,null,"however, accounting for typical uncertainties for exposure estimates means that "]
[null,null,null,"the actual exposure has the potential to be above the exposure limit value"]
[null,null,"\"WARNING: Exposure at or above 2.5m/s²A(8) EAV (100 points)\""]
[null,null,null,"The calculated exposure value is at or above the exposure action value"]
[null,null,"\"WARNING: Exposure potentially above 2.5m/s²A(8) EAV (100 points)\""]
[null,null,null,"The calculated exposure value is just below the exposure action value, "]
[null,null,null,"however, accounting for typical uncertainties for exposure estimates means that "]
[null,null,null,"the actual exposure has the potential to be at or above the exposure action value"]
[null,null,"\"Exposure likely to be below 2.5m/s²A(8) EAV (100 points)\""]
[null,null,null,"The calculated exposure value is below the exposure action value"]
[null,null,null,"and the actual exposure is likely to be below the exposure action value"]
[]
[null,"Print out"]
[]
[null,"A print preview of the calculations is shown when selecting the Print (preview) button "]
[null,"From print preview, the calculation page may be printed, or saved as a pdf file"]
[]
[null,"When generating a print out or a pdf file it may be useful to record information on the company or work area, individual or work task and"]
[null,"information on who carried out the calculation and their job role. Entering this information is optional."]
[null,"the date of the last calculation is automatically added to the spreadsheet"]
[]
[null,"Use of the calculator"]
[]
[null,"This calculator is provided for employers to make estimates of hand-arm vibration exposures and estimate the effects of changes to"]
[null,"work patterns and methods."]
[null,"The results of calculations are dependent on the quality and suitability of the data entered by the user. "]
[]
[null,"HSE cannot remotely access data entered into this calculator."]
[]
[null,"Modifications to this calculator are prevented to ensure that the calculation processes are not accidentally modified by the user."]

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[null,null,"Data updated/checked","2019-06-26","by P Pitts","(m/s²)","(m/s²)","(m/s²)"]
["Not in HSE pdf","Industry","Tool type","Tool characteristic, Inserted tool, size, process","Notes","Range- Lower (10%ile)","Range - Upper (90%ile)","Recommended initial  value (75%ile)","EU Guide data 75%ile","LookupName"]
[null,"Construction","Breakers","Vibration reduced","\"Vibration reduced models\" have suspended handles or suspended bodies. Poor use can increase vibration exposures. Lower exposures can often be achieved by improved operator training.",6.9410140037536623,18.219812774658202,14,17,{"$f":"C3&IF(D3=\" \",\"\",\" - \"&D3)","v":"Breakers - Vibration reduced"}]
[null,"Construction","Demolition or rotary hammers"," ","Can give very high vibrations if operators push too hard. Maintaining sharp drill bits is important.",10.361869633992512,21.228083496093749,18,18,"Demolition or rotary hammers"]
[null,"Construction","Plate compactors","AV","",1.9971831083297729,6.5681717711636125,4,12,"Plate compactors - AV"]
[null,"Construction","Plate compactors","non-AV","A-V machines should be used where possible.",9.1338993708292655,21.549158554077152,18,12,"Plate compactors - non-AV"]
[null,"Construction","Pneumatic hammers"," ","Can give very high vibrations if operators push too hard. Maintaining sharp drill bits is important.",9.9835448582967121,29.24260444063129,25,"","Pneumatic hammers"]
[null,"Construction","Saws (cut-off)","Masonry cutting ","",5.368839581807455,14.045142014821371,13,"","Saws (cut-off) - Masonry cutting "]
[null,"Construction","Scabblers"," ","Well-designed vibration-reduced machines can give vibration values less than 5m/s²",3.564029673735301,13.674466143714056,12,"","Scabblers"]
[null,"Construction","Trench rammers"," ","",13.101884708404542,13.1855979347229,13,12,"Trench rammers"]
[null,"Construction","Water jetting guns"," ","",1.0679143667221069,4.9439158439636239,4,"","Water jetting guns"]
[null,"Engineering","Chipping hammers","Chipping weld ","",20.240225940280492,32.023731952243381,31,"","Chipping hammers - Chipping weld "]
[null,"Engineering","Impact wrenches","1\" ","Measured vibration levels are dependent upon rates of use. It can be difficult to assess exposure times correctly. ",6.8060550689697266,10.954563736915588,10,9,"Impact wrenches - 1\" "]
[null,"Engineering","Impact wrenches","3/8, 1/2 & 3/4\" ","Measured vibration levels are dependent upon rates of use. It can be difficult to assess exposure times correctly. ",2.888731837272644,6.4231093846834622,5,9,"Impact wrenches - 3/8, 1/2 & 3/4\" "]
[null,"Engineering","Pedestal grinders"," ","Correct selection of the abrasive will reduce the likelihood of workers applying excessive force and will keep vibration magnitudes to a minimum.",1.8972733616828921,11.021653165817265,8,8,"Pedestal grinders"]
[null,"Engineering","Polishers","Hand-held, Mop head or soft-backed pad","Vibration magnitudes are very dependent upon applied force. Low vibration magnitudes are achieved by applying the correct forces.",1.1255763828754426,3.2774134039878842,3,"","Polishers - Hand-held, Mop head or soft-backed pad"]
[null,"Forestry / Horticulture","Brushcutter/Strimmers","Strimmer line","",2.384621572494507,7,7,"","Brushcutter/Strimmers - Strimmer line"]
[null,"Forestry / Horticulture","Brushcutters"," Sawblade","",2.9472790956497192,5.0990850130716963,5,5,"Brushcutters -  Sawblade"]
[null,"Forestry / Horticulture","Chainsaws"," ","Good maintenance is important, e.g. regular replacement of engine mounts and sharpening saw points.",3,7.3320312350988388,7,7,"Chainsaws"]
[null,"Forestry / Horticulture","Mowers - Hand-guided"," ","",3,7.7348926544189451,6,"","Mowers - Hand-guided"]
[null,"Forestry / Horticulture","Mowers - Ride on"," ","",2.73527250289917,6,5,"","Mowers - Ride on"]
[null,"Forestry /Horticulture","Hedge trimmer"," ","Higher vibration values are possible; the data here represents operations on hedges with hedge branches well within the capability of the machines. Vibration values may be higher if the hedge trimmer often has to work hard to cut thicker branches.",2.7684533397356668,14,7,null,"Hedge trimmer"]
[null,"General","Drills - Core","78 - 107 mm ","Can produce very high vibrations if operators push too hard. Maintaining sharp drill bits is important.",6.3748218197292754,8.2419114939371738,8,"","Drills - Core - 78 - 107 mm "]
[null,"General","Drills","Hole saw ","",3.5860832631587982,12.260395320256551,10,"","Drills - Hole saw "]
["x","General","Drills - Impact","13mm masonry bit ","Can give very high vibrations if operators push too hard. Maintaining sharp drill bits is important.",11.116041807223333,19.437509277131824,18,16,"Drills - Impact - 13mm masonry bit "]
[null,"General","Drills - Impact","5 & 8 mm masonry bit ","Can give very high vibrations if operators push too hard. Maintaining sharp drill bits is important.",6.9849505534919176,13.020675633828095,11,16,"Drills - Impact - 5 & 8 mm masonry bit "]
[null,"General","Drills","Standard drill bit ","Vibration values can vary across the many sub-categories (e.g. small to large) and different materials being worked. Larger drills tend to give higher vibration values. Maintaining sharp drill bits is important",1.8933229949739245,5.2263284955705904,5,"","Drills - Standard drill bit "]
[null,"General","Grinders","Angle, 100 - 180 mm ","Vibration values will depend on force being applied and different materials being worked. Selecting the right grade of abrasive and applying the right forces can help to minimise exposures.",3.175537567290049,10.289916120256699,7,7,"Grinders - Angle, 100 - 180 mm "]
[null,"General","Grinders","Angle, 220 - 300 mm ","Vibration values can vary across the many sub-categories and different materials being worked. Applying too much force can produce lobing of the discs and significantly increase vibration levels.",3.7492811308966743,11.026334016973323,9,7,"Grinders - Angle, 220 - 300 mm "]
[null,"General","Grinders","Angle, Flapper discs 125 & 100 mm ","",2.2346593648195268,5.4283252954483032,4,7,"Grinders - Angle, Flapper discs 125 & 100 mm "]
[null,"General","Grinders","Die ","",5.3332550048828127,9.6924637603759738,8,6,"Grinders - Die "]
[null,"General","Grinders","Straight ","Correct selection of the abrasive will ensure that workers do not apply excessive force and keep vibration magnitudes to a minimum.",3.7448757290840149,8.7793017387390133,8,"","Grinders - Straight "]
[null,"General","Nail guns"," ","Measured vibration levels are dependent upon rates of use. It can be difficult to assess exposure times correctly. ",3.214678168296814,12.856476306915283,9,"","Nail guns"]
[null,"General","Needle scalers","AV","",3.2955455509821574,7.5625758001539447,7,7,"Needle scalers - AV"]
[null,"General","Needle scalers","non-AV","A-V machines should be used where possible.",12.432104085286458,25.783640882703992,19,7,"Needle scalers - non-AV"]
[null,"General","Nibblers"," ","",7.438538980484009,12.055994224548339,12,"","Nibblers"]
["x","General","Rammers"," ","High vibrations can often be mitigated by use in rigs with overhead support.",19.421410242716473,34.800517149838534,31,37,"Rammers"]
[null,"General","Reciprocating saws"," ","Operator training and work organisation is important. Lower vibrations can be achieved by keeping the tool's nose against the workpiece.",7.3357232928276064,26.563048362731934,18,16,"Reciprocating saws"]
[null,"General","Sanders","Orbital ","Vibration magnitudes are very dependent upon applied force. Lower vibration magnitudes can be achieved by applying the correct forces and using the appropriate abrasives.",3.5701017498970034,11.628010705312095,9,8.5,"Sanders - Orbital "]
[null,"General","Sanders","Random-orbital ","Vibration magnitudes are very dependent upon applied force.  Lower vibration magnitudes can be achieved by applying the correct forces and using the appropriate abrasives.",6.2396571318308514,14.08633099147252,12,8.5,"Sanders - Random-orbital "]
[null,"Stone working / mining / quarrying","Chipping hammers","Chipping stone, concrete or rust ","Very high vibration values if the operator holds the chisel (more than 30-40 m/s²). Low-vibration machines are available that give magnitudes less than 10 m/s².",10.716535329818726,21.961593204074436,20,15,"Chipping hammers - Chipping stone, concrete or rust "]
[null,"Stone working / Mining / Quarrying","Rock drills"," ","Vibration values can vary across the sub-categories (e.g. small and large drill bits and core drills and different materials being worked, such as concrete or stone). Maintaining sharp drill bits and not pushing too hard will achieve lower vibration values",10.07808130900065,28.177769470214834,26,20,"Rock drills"]
[null,"Stone working / Mining / Quarrying","Stone hammers"," ","If you not using a vibration-reducing sleeved chisel then, vibration values are likely to be much higher on the chisel hand",7.4569167481528389,22.493990124596493,18,"","Stone hammers"]
[null,"Woodworking","Jigsaws"," ","",8.5644792344835068,17.098470465342199,11,"","Jigsaws"]
[null,"Woodworking","Routers"," ","",1.6941551208496093,2.6345542192459108,3,"","Routers"]
[null,"Woodworking","Staplers"," ","",1.8596919933954874,6.2854015077863412,4,"","Staplers"]