7 Material handling machinery machines for washing containers, booths for washing containers, containment transfer machines container discharge machines, particularly such machines as adapted to handle particulate materials together with fittings therefor, namely discharge valves, mixer machines, shear blade type mixers filler heads filling machines, blending machines batch mixing machines machines for handling and transferring flowable particulate material such as powders vibrating machines together with parts and fittings for the aforesaid goods