Electromechanical machines for chemical processing, for use in the chemical industry; machines for geological exploration, mining, mineral separation; mine drainage pump; drilling rigs, floating or non-floating; oil refining machines; machines and equipment for oil exploitation and refinement industry, namely, slurry blender machines for use in oil or gas well hydraulic fracturing operations; petrochemical plant goods, namely, pumps for the petrochemical industry in the nature of gear pumps; oil drilling machine; slurry pump especially used for petroleum; well cleanup machine; drifting machine, namely, boring machines; oil pump especially used for petroleum; beach operating vehicle; water presses in the nature of machines for chemical processing ; hydraulic presses; fittings for engine boilers; flues for engine boilers; steam engine boilers; feeding apparatus specially adapted for use with engine boilers; fuel economizer apparatus being enhancement parts for internal combustion engines, namely, fuel catalysts; carburetor; gas separation machines for producing carbon dioxide; oxygen, nitrogen manufacture equipment, namely, machines for creating oxygen and nitrogen; gas liquefaction equipment, namely, nitrogen liquefaction equipment, hydrogen liquefaction equipment, helium liquefaction equipment; equipment for producing carbon dioxide; starters for motors and engines; generators of electricity; fans for motors and engines; fuel economizers for motors and engines being enhancement parts for internal combustion engines, namely, fuel catalysts; engines, for boats; motors, electric, other than for land vehicles; centrifugal machines; centrifuges being oil centrifuges; pumps being parts of machines; compressed air pumps; valves being parts of machines; hydraulic pumps for machines, not including vehicle hydraulic system; washing apparatus, namely, electric washing machines for industrial purposes; waste disposals, namely, garbage disposals; electroplating machines