metal working machines; sealing machines for industrial purposes; hydraulic engines and motors; hydraulic controls for machines, motors and engines; machine wheels; belts for machines; pneumatic tube conveyors; pumps for machines; stands for machines
MachinerySewer pipes, not of metal; non-metallic rigid pipes for construction and building purposes
Nonmetallic Building MaterialsBuilding construction supervision; factory construction; providing construction information; rebuilding machines that have been worn or partially destroyed; pipeline construction and maintenance; installation and maintenance of pipeline; plumbing; rental of construction equipment
Building Construction and Repair