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The table below lists the number of OSHA-170 abstracts by keyword value. The keywords are established at the time the abstract is reviewed.

KeyWord Occurances - 27827
Racetrack27 Rafter81 Rail235
Railroad184 Railroad Car375 Railroad Tank Car58
Railroad Track120 Railway Circuit9 Rain Spout41
Ram311 Ramp319 Rappelling16
Reactor70 Rebar295 Receptacle58
Refinery131 Reflective Vest92 Refrigerant12
Refrigerator18 Refueling25 Regulator Valve28
Relining2 Remote Control50 Repair2290
Respirator372 Respiratory790 Respiratory Tract210
Restraining Device162 Retaining Wall50 Reverse Polarity17
Rib1640 Riding On Equipment547 Rigging301
Ring51 Ring Test2 Rinse Tank3
Rip29 River136 Rivet Press13
Road Grader63 Road Paving233 Robot32
Rock159 Rock Crusher21 Rocket Motor4
Roll-Over1140 Roller Conveyor122 Roller--Const Equip316
Roller--Mach/Part1827 Roof5294 Roof Bracket21
Roof Collapse131 Roof Decking176 Roof Dormer6
Roof Hook2 Roof Opening632 Roof Opening Cover212
Roof Outrigger2 Roof Panel120 Roof Seamer3
Roofer1348 Rope375 Rops430
Rotary Hammer12 Rotary Rig10 Rotating Knife403
Rotating Parts1412 Rotating Shaft363 Rotor30
Rubber Boot15 Run Over3195 Runway Conductor44
Rupture504
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