(1) Each planer (stave and heading) must have all cutting heads, and saws if used, covered by a solid metal guard.

(2) Stave and heading planers must be provided with exhaust fans, hoods and dust conveyors to remove the harmful dusts, etc., from the vicinity of the operator. Such hoods may be arranged to serve as guards for cutting heads.

(3) Sectional feed rolls should be provided. Where solid feed rolls are used, a sectional finger device (or other means equally effective) must be provided to prevent kickbacks.