| http://www.w3.org/ns/prov#value | - r power transmission components. (i) The mesh or nip-points of all power driven gears, belts, chains, sheaves, pulleys, sprockets, and idlers shall be guarded. (ii) All revolving shafts, including projections such as bolts, keys, or set screws, shall be guarded, with the exception of: (A) Smooth shafts and shaft ends (without any projecting bolts, keys, or set screws), revolving at less than 10 rp
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