(1) Trimmer and slasher saws must be guarded in front by a flat or round steel framework with a rigid metal screen or light iron bars attached thereto, or by wood baffles of not less than two inch wood material securely bolted to the frame.

Maximum speed. Trimmer saws must not be run at peripheral speeds in excess of those recommended by the manufacturer.

(2) Front guards for a series of saws must be set as close to the top of the feed table as is practical when considering the type of machine in use and the material being cut. The end saws of a series must be guarded or fenced off.

(3) The rear of a series of saws must have a stationary or swinging guard of not less than two inch wood material or equivalent the full width of the saws and as much wider as is necessary to protect persons at the rear of the trimmer.

(4) Safety stops. Automatic trimmer saws must be provided with safety stops or hangers to prevent saws from dropping on table.

(5) Feed chains must be stopped while employees are on the feed table.

(6) Spotters for trimmers or slashers must be provided with goggles or other eye protection when conditions so warrant.