Metal pipes and tubes; metal pipes and metal fittings therefore; metal junctions for pipes; elbows of metal for pipes; metal pipe collars; metal pipe fittings for compressed air pipes; metal hose fittings

Flexible pipes, not of metal; rubber tubes and pipes; rings of rubber for use as pipe connection seals; pipe gaskets; hydraulic hoses made of rubber

Apparatus for sludge dewatering (installations); Machines for the processing of sludges; biosolids dewatering apparatus; Biosolids thickening machines; Transportable apparatus for sludge dewatering; Apparatus for sludge thickening; sewage sludge dewatering machines; Machine for sludge thickening or dewatering