1 Make sure that you know the properties of the products you handle eg. Whether they are toxic, flammable, oxidants, asphyxiants, etc... Ask for the relevant Material Safety Data Sheets.

1 Make sure that you know the properties of the products you handle eg. Whether they are toxic, flammable, oxidants, asphyxiants, etc... Ask for the relevant Material Safety Data Sheets.

弄清你处理的气体的性质，如是否有毒、可燃、氧化性、窒息等，参考其它物性安全手册。