【物理】材料，液态的，用于表面

fluent solid material (bulk material)

feeder, rotary filling containers with fluent solid material by means of rotary feeders

TAPPING metal or other material [= screw-threading]

extraction from circulating material of the nuclear reactor

homogeneous material【化工】

surface-active, substance (material)

grinding with loose abrasive material

moulds of printing surfaces from elastic material