Section 408.10104. Definitions; M to R.  


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  • (1) "Masonry cutting" means the cutting off,  notching  or slotting of units of materials such as brick, tile,  block    or   refractory shapes where the workpiece is brought to the machine.

    (2)    "Mounted wheels" means various shaped abrasive wheels not more than 2 inches in diameter and mounted on a plain steel mandrel.

    (3)    "Off-hand grinding" means the grinding of any material which is held in an employee's hand.

    (4)   "Portable grinding" means a grinding operation where the  machine  is designed to be hand-held and may be easily moved from  1   location   to another.

    (5)   "Precision grinding" means the grinding  operation  performed  by machines used to finish work parts to specified   dimensions  and  finish requirements.

    (6)   "Revolutions per minute--rpm" means the number of complete turns that a grinding wheel makes in 1 minute.

History: 1979 AC.