CSSC

Optical glass grinding; recycling of waste and trash; abrasion; woodworking; water treating; air purification; paper finishing; applying finishes to textiles; production of energy; boilermaking; custom manufacturing of boats; custom manufacturing of boats

Boats, namely, dredgers; air cushion vehicles; water vehicles; remotely operated vehicles for underwater inspections; autonomous underwater vehicles for seabed inspections; boats; ship hulls; boat shells; ships; vehicles for locomotion by land, air, water or rail

Installation and maintenance of medical devices; installation and maintenance of entertainment or sports apparatus; upholstery repair; construction; building construction supervision; harbour construction; electric appliance installation and repair; vehicle breakdown repair services; shipbuilding; mining extraction