Perforation equipment as construction machines; injection equipment as construction machines; geotechnical machines in the nature of perforating machines for earth moving, construction and mining, and earth drilling machines; machines, namely, concrete mixers, agitators for circulating liquid media, screw pumps; machine tools for construction in the nature of drilling tools, boring tools, milling tools and turning tools; air condensers; compressed air pumps; compressed air machines; compressed air engines not for land vehicles; pumps machines for the construction industry; pumps as parts of machines, engines and motors; current generators; generators of electricity; drilling machines; electric and air compressors as machinery; double-acting piston pumps as machines; progressive cavity pumps as machines; colloidal turbo mixer; agitators as construction machines; all of the foregoing expressly excluding agricultural machines, namely, agricultural lifting apparatus in the nature of elevators, excavators, bulldozers, concrete mixers, concrete blenders, loading platforms and bridge cranes, lifting machines for moving goods, hoists, aerial platforms and shuttles in the nature of conveyors, mobile lifting platforms, elevating work platforms, mobile aerial work platforms; earth moving machines, namely, motorized excavators