The standards identify that "The area classification should be carried out by those who understand the relevance and significance of properties of flammable materials and those who are familiar with the process and the equipment along with safety, electrical, mechanical and other qualified engineering personnel." Effectively this would be someone with considerable experience of Chemical or Process Engineering who can be supported by specialists from other disciplines.
New-style coronavirus infection defense measure The HOcl mist germicidal dome type mall In an entrance and exit way of a hospital and public facilities. Needed.
