The methods of extinguishing include direct fire extinguishing, isolation fire extinguishing, and joint fire fighting. Direct fire extinguishing water, chemical fire extinguishers, inert gases, foaming agents, sand or rock powder, etc., directly extinguish the fire in and around the burning area. Insulation fire extinguishing method and joint fire extinguishing method are the same as internal fire extinguishing. Yoga Foam Roller,Yoga Rolls,Endurance Yoga Foam Roller,Yoga Mat Foam Roller Taizhou Tianma Plastic Products Co. LTD , https://www.tmepp.com