凡在露天作业的机械，制动器等应遮盖完好，以免霜雪落下而发生打滑现象，电

All machinery and brakes operating in the open air should be well covered to avoid slipping caused by frost and snow falling. Electrical equipment such as motor switches should be covered and moisture-proof.

Where in the open-air operation of machinery, brakes, etc. should be covered intact, so as to avoid frost and snow falling and slippery phenomenon, electric motor switches and other electrical equipment, to strengthen cover and moisture protection

All machines and brakes working in the open air should be covered well to avoid slipping due to falling frost and snow. Electrical equipment such as motor switches should be covered and moistureproof<br>