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Machinery Safety The machinery used in factories may present a wide array of safety and health hazards to the workers. These hazards may be physical, electrical, thermal, auditory, or of other nature. Below are recommendations to eliminate or reduce risks of machinery operations: • All machinery and lighting should be connected to their power source with appropriate industrial connections. • Machines should be grounded (e.g. third prong) to prevent electricity leakage. • Permanent electrical wiring should be encased in a metal conduit. • Individual machines should have their own emergency power shut-off switch within easy reach of the usual operator position. • All gear boxes should be closed, and only opened with special tools and permitted staff. • Regular inspection and maintenance of all production machinery to ensure that all safety devices and mechanisms are effective, while inspection and maintenance records should be • maintained by the factory. • Fixed guards or covers for all V-belt drives, pulleys, buffing and grinding machines. • Needle and pulley guards on sewing machines. • Blade guards on cutting machines and table saws. • Guards must be constructed of solid material or grids; if grids, then the openings must be <12 mm to prevent the insertion of fingers. • Two-hand switches should be used on all cutting machines, presses, and heat transfer machines unless guarding can be shown to be effective (a two-hand switch requires both hands to be on two buttons simultaneously for machine operation, thus removing the hands from the zone of exposure).
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