Galvanized drainpipes. Classification of drainage systems. Advantages and disadvantages of galvanized drainpipes. External gutters of rectangular cross section.
Pipe cleaning. Hydrodynamic method. Hydrochemical technology. Pipe cleaning of main gas pipelines. Oil pipeline cleaning. Pipe cleaning of nuclear power plants.
Corrugated drainage pipe: types of drainage systems, pipes for water drainage channels, their main characteristics and advantages, installation of a drainage system, pipe manufacturers.
GOST water pipes: types of pipes. Classification depending on the material of manufacture and other parameters. Standards governing the technical properties of the product.
Manual klupp for cutting threads: general information about the tool, types and designs. Tips for choosing a tool. Operating rules and instructions for applying thread to a part.