(Short stick) width of not less than 80mm (full of sticky) or 100mm (empty shop, sticky, sticky sticky) Point sticky, sticky). ⑵ hot-melt method of hot-melt method without brushing adhesive, directly with the flame after baking with the grass-roots paste

Building exterior wall insulation board fixed bolt specification how much distance one

safety technology information is the product of safe production process and crystallization, due to the scientific management of data management, standardization, standardization, can continue to promote the construction site safety management to a higher level and level of development, so that construction Site management as a whole more scientific, standardized and standardized

Construction site tower crane (tower crane) lightning protection grounding resistance should not be greater than 4Ω