Mechanical products for fastening, connecting and lifting, mechanical structures and pipelines; apparatus for the application of torque; apparatus for the application of tension; bolting equipment; bolt tensioners; hydraulic bolt tensioners; hydraulic nuts; hydraulic torque wrenches; hydraulic pumps; air powered pumps; electric powered pumps; torque multipliers; torque converters for machines; torque spanners; torque wrenches; torque wrenches incorporating apparatus for checking; torque wrenches incorporating apparatus for sensing; torque wrenches incorporating electronic apparatus; tension ratchets; tensioners; tensioning heads being parts of machines; tensioning pieces being parts of machines; bolt cutters; bolt setting machines; apparatus for controlling the operation of machines; apparatus for the control of machines; apparatus for use in the control of machine tools; apparatus for use in the control of machines; couplings; hydraulic apparatus for lifting; hydraulic cutters; hydraulic crimping units; hydraulic gripper saws; hydraulic jacks; hydraulic lifting apparatus; hydraulic lifting machines; hydraulic machines and apparatus; hydraulic pumps; hydraulic rams; hydraulic tools; hydraulically operated control apparatus; manually operated hydraulic benders; pipe elevators; hydraulic pumps; high pressure pumps; machine pumps; electric pumps; electrical pumps; pumps; adaptors for pipes; cutting tools; joints for pipes; machine tools for use in connection with pipes; machines for handling pipes; machines for hardening pipes; machines for manufacturing pipes; machines for straightening pipes; machines for straightening pipes and cutting them to length; machines for the renovation of pipes; machines for working pipes; mechanical systems for the internal inspection of pipes; pulling apparatus; machines for splitting pipes; apparatus for cleaning pipes; apparatus for drawing pipes cables through bore holes; apparatus for drawing pipes ducts through bore holes; apparatus for installing underground pipes; boring robots; machines for flange facing; spindle adapter flanges for machine tools; apparatus for use in milling; cutters for milling machines; diamond tools for milling for machines; machine tools for milling; milling machines; milling tools; apparatus for use in grinding; grinding apparatus; grinding discs; grinding machines; grinding machines for cutting tools; grinding tools; boring robots for repairing the interiors of pipes; boring tools; power operated tools for boring; tool bits for boring; machine tools for boring; laths; manual chucks for lathes; portable power supply generating apparatus; generators; power supply units; hydraulic flange pullers; hydraulic nuts splitters; hydraulic flange spreaders; flange facing tools; parts and fittings for the aforesaid goods