It can be used in the construction in such circumstances as construction, ground,courtyard,roadbed,pile,groove,field and na It can be used in the construction in such circumstances as construction, ground,courtyard,roadbed,pile,groove,field and na(1)Instruction:The product can be widely applied in tamping and flattening all sand,gravel,tibia,bituminous gravel,concrete and clay,particularly,it can ...