Seeking "industrial furnace masonry construction and acceptance of norms" GB-2004 electronic version, urgent use! If appropriate to add bonus points more
First, the steel scaffold fastener has three 1) right angle fastener (cross buckle) for the connection of two vertical cross steel pipe; such as pole and large bar, large crossbar and small bar connection; 2) (Rotary buckle) for two angles into any angle cross steel pipe connection; 3) butt fasteners (buckle or a word buckle) for the two steel pipe with. Second, the specifications of fasteners 1) Right angle fasteners (cross buckle) 2) Rotary fasteners (rotary buckle) 3) Butt fasteners (buckle or a word buckle)
Different types of work, safety equipment is not the same. For the electrical operators, there are mainly insulated shoes, insulated gloves, insulation rods, insulation Taiwan, etc .; for the lathe, fitter, the main part of the building is mainly used for safety, safety nets, Mainly gloves, work hats, goggles, etc .; for the welder, the main gloves, shoes cover, goggles, insulated shoes, etc .; ... ... Viagra talk about these, there are scaffolding, body bar, etc. Safety protection equipment, does not belong to safety equipment. A lot of security equipment, it is characterized by the operator to carry, I will not enumerate one by one.
It is not clear and can not answer. Extrusion and polystyrene is different. What is the meaning of insulation?
In order to carry out the safety of the production of civilized construction work, the safety of production accidents will be completely eliminated in the bud, especially the development of major dangerous sources of safety prevention and control measures