[Belt conveyors; conveyor belts; mud collectors; bulldozers; ploughs; coulters, ploughshares; cutting wheels; compressors; road making machines; cutting machines; machine parts, namely, cutters; hoppers for mechanical unloading; dust removal installations for cleaning; mechanical winders for flexible pipes; machine parts, namely, drivers; excavators; mine extractors; drilling machines; tar spreaders; coal cutters hydraulic controls for machines and motors; hydraulic motors; hydraulic turbines...