Class-4-Dangerous-When-Wet
收藏California State Geoportal2026-03-28 收录
官方服务:
资源简介:
<b>Hazard Class 4</b>: Class 4 hazards are flammable solids. There are three divisions in this class, including flammable solids, spontaneously combustible materials and substances that are dangerous when wet, or water-reactive.



