Assembly and delivery:
- distribution of central heating
-steel, copper*
- internal water distribution systems
-steel, plastic, copper*
- internal waste
- cast iron, plastic
- furnishings
-ceramics, fittings, heaters
- outdoor water pipes
-plastic, cast iron
- outdoor sewerage
- stoneware, plastic
-technological distributions of water companies
device
-reservoirs, water treatment plants
- pumping equipment
-pumping station, pumping from wells.