7 Hydraulic machines, tools and apparatus, namely, hydraulic stud tensioners, hydraulic hammers, power-operated hydraulic wrenches, power-operated hydraulic bolt torqueing wrenches, hydraulic tensioners, hydraulic bolt torquing equipment, valves and pumps used in connection with hydraulic tensioners, hydraulic hose arrangements and hydraulic closure systems, hydraulic closure systems for steam turbines, hydraulic pumps, hydraulic flange pullers, nut splitters, non-metallic hoses for transferring hydraulic power in machines, metal hoses for transferring hydraulic power in machines, hydraulic turbines, hydraulic nuts; hydraulic power equipment, namely, hydraulic hammers, hydraulic valve actuators, power-operated hydraulic wrenches; hydraulic power tools, namely, hydraulic hammers, power-operated hydraulic wrenches, power-operated hydraulic screwdrivers; hydraulic power apparatus, namely, hydraulic hammers, power-operated hydraulic wrenches, hydraulic turbines; power-operated machine tools for tensioning and releasing of bolts and of fastening devices incorporating bolts; bolt tensioning apparatus, namely, hydraulic stud tensioners, power-operated hydraulic wrenches, power-operated hydraulic bolt torqueing wrenches; power wrenches, namely, power-driven wrenches, power-operated hydraulic wrenches, power-operated hydraulic bolt torqueing wrenches; hydraulic bolt tensioning apparatus, namely, hydraulic stud tensioners, power-operated hydraulic wrenches, power-operated hydraulic bolt torqueing wrenches and structural parts and fittings for all the aforesaid goods