Cutting and welding tools, namely, plasma torch cutting and welding tools, oxy-fuel cutting and welding tools, laser cutting and welding tools and water-jet cutting tools; electro-mechanical drive units for adjusting the distance between a cutting tool or a welding tool and a workpiece and/or for moving a cutting tool or a welding tool relative to a workpiece; drilling machines; electro-mechanical drive units for moving a drilling machine relative to a workpiece; Cutting systems comprising a cutting machine, an electro-mechanical drive unit for adjusting the distance between the cutting device and a workpiece and/or for moving the cutting tool relative to the workpiece, an electronic control device for controlling the distance between the cutting tool and the workpiece and/or for controlling the movement of the cutting tool relative to the workpiece and computer software for operating the cutting tool and/or the drive unit and/or the control device; Welding systems comprising a welding machine, an electro-mechanical drive unit for adjusting the distance between the welding tool and a workpiece and/or for controlling the movement of the welding tool relative to the workpiece, an electronic control device for controlling the distance between the welding tool and the workpiece and/or for controlling the movement of the welding tool relative to the workpiece and computer software for operating the welding tool and/or the drive unit and/or the control device; Drilling systems comprising a drilling machine, an electro-mechanical drive unit for moving the drilling machine relative to a workpiece, an electronic control device for controlling the movement of the drilling machine relative to the workpiece and computer software for operating the drilling machine and/or the drive unit and/or the control device

Electronic control units and control devices for controlling the distance between a cutting and/or welding tool and a workpiece; electronic control units and control devices for controlling the movement of a cutting and/or welding tool relative to a workpiece; electronic control units and control devices for controlling the movement of a drilling machine relative to a workpiece; computer software programs for use in data processing; Cutting systems comprising an electronic control device for controlling the distance between the cutting tool and the workpiece and/or for controlling the movement of the cutting tool relative to the workpiece, computer software for operating the cutting tool and/or the drive unit and/or the control device, a cutting tool being a cutting machine, and an electro-mechanical drive unit for adjusting the distance between the cutting device and a workpiece and/or for moving the cutting tool relative to the workpiece; Welding systems comprising an electronic control device for controlling the distance between the welding tool and the workpiece and/or for controlling the movement of the welding tool relative to the workpiece and computer software for operating the welding tool and/or the drive unit and/or the control device, a welding tool being a welding machine, and an electro-mechanical drive unit for adjusting the distance between the welding tool and a workpiece and/or for controlling the movement of the welding tool relative to the workpiece; Drilling systems comprising an electronic control device for controlling the movement of the drilling machine relative to the workpiece, computer software for operating the drilling machine and/or the drive unit and/or the control device, a drilling machine, and an electro-mechanical drive unit for moving the drilling machine relative to a workpiece; electric wires and connectors