通風換氣評估

通風換氣評估計算
1.有機溶劑作業
2.溫度控制調節
3.火災爆炸預防
4.二氧化碳稀釋
5.鉛作業評估 Ventilation assessment calculations
An organic solvent operation
(2) temperature control and regulation
3 fire and explosion prevention
4 Carbon dioxide dilution
5 Lead job evaluation