4 The safety note boards、slogans、and varied operation regulation boards will de installed on the constructing field, forming a good atmosphere of product safety.
4 The safety note boards、slogans、and varied operation regulation boards will de installed on the constructing field, forming a good atmosphere of product safety.
4现场树立醒目的安全警示牌、标语及各种操作规程作业牌，造成安全生产良好的氛围。