How often have you heard someone say, "I need an 8 cal shirt." Or, " My clothing needs a minimum of an 8 cal rating." Or even, "my blast suit is 40 calories."These common statements are the reason the NFPA 70E committee changed their terminology from hazard risk category (HRC) levels to personal

Generally, a human skin burn evaluation system is established according to the depth of skin tissue destruction and the degree of tissue necrosis. The system mainly divides skin burns into four levels.(1) First-level burns are burns on the surface of the skin. Burns only occur in the epidermis. It i

Dear customerOn the 31st of January 2020 the World Health Organisation declared a global emergency over the Coronavirus (COVID-19) outbreak.

On Feb 21, the Ministry of Commerce held Online Policy Briefing on Keeping Foreign Trade and Investment Stable and Boosting Consumption.