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Pug mills shall be guarded by:
(a) A substantial grating with openings not greater than 2 inches, or
(b) A hopper completely encircling the opening through which the machine is fed and extending 18 inches or more above the blades. In no case shall the top of the hopper be less than 36 inches from any floor or working level used by the pugmill operators or attendants.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment filed 4-25-86; effective thirtieth day thereafter (Register 86, No. 17).