[ Boring machines; centrifugal grinding machines; ] centrifugal separators; [ cutting machines; dredging machines; drills for the mining industry; drilling machines; earth moving machines; ] gravel and dirt sorting and screening machines; [ machine tools for removing waste material; machines and machine tools for the cutting and forming of materials; ] machines for conveying solids; machines for separating target materials from mixtures of materials; pile-extractors; extracting machines for chemical processing; filtering machines for chemical processing; separating machines for chemical processing; industrial machine presses used in the mining industry; pulp refining machines; [ grinding and polishing machines; machine parts, namely, polishing discs for filtering machines; ] machinery, namely, vacuum distillation equipment; vacuum pumps; [ air condensers; air compressors; compressors as parts of machines, motors and engines; compressed air machines; compressors for machines; power-operated sprayers; ] filters for mining machines

Distilling units; distillation apparatus; lighting apparatus, namely, lighting installations; heating installations; heating furnaces for industrial purposes; heating units; steam generating installations; steam generators; industrial cooking ovens; refrigerating machines; refrigerating appliances and installations; drying apparatus for chemical processing; industrial dryers for heating and dehumidifying; ventilating fans for commercial and industrial use

Building construction services; construction of facilities, structures, living quarters, and utility buildings, production modules and subsea modules in the oil and gas industry; machinery installation, maintenance and repair; mining extraction

Scientific and technological services, namely, scientific research, analysis, testing and design in the solid and liquid separation fields; technical consulting services in the solid and liquid separation fields; technological consulting in the solid and liquid separation fields; consulting in the field of engineering; industrial research in the solid and liquid separation fields; geological research; research in the field of minerals; quality management services, namely, quality evaluation and analysis, quality assurance, and quality control, in the solid and liquid separation fields; testing, analysis, and evaluation of machinery to assure compliance with industry standards; chemical analysis; performance of chemical analyses; design, development and testing services for others in the fields of flotation and gravity separation