Laser engraving machines for use in the field of flexographic and textile printing; laser-engraved ceramic anilox rolls for use with printing machines; parts and fittings for the aforesaid goods

Tunnel boring guidance instruments and systems, namely, lasers used to provide measurements for guiding tunnel boring equipment; target units comprising optical lenses, light sensitive electronic sensors, computer hardware and software for receiving and reading data from lasers for use in the field of tunnel boring; theodolites; ring placer units comprising computer hardware and software for the calculation and display of the position and orientation of tapered ring support structures for the lining of tunnels; electronic controls for steering systems, namely, an electronic control linked to a tunnel boring machine's operating system to enable the user to steer the machine following a specified guidance plan; articulation interface units for allowing use of the tunnel guidance system on double shielded tunnel boring machines; radio modem link comprising radio transmitters and receivers and associated electronic boards used to relay information from the instrumentation on the front of the tunnel boring machine to the survey equipment mounted within the completed tunnel; repeater unit comprising electronic circuit boards to receive, amplify and transmit cable bound signals from the tunnel boring machine to the surface; interface unit comprising electronic circuit board for the control of the theodolite located on the wall of the completed tunnel; computer hardware and computer software operating software for use with the above; impact printers; laser printers; electronic controllers for laser printers; computer printer apparatus, namely, high resolution image setters; parts and fittings for the aforesaid