Paint for heating radiators. What properties should a high-quality paint have? Varieties of colors. Paints in spray cans. Glossy and matte paints. Painting Methods.
Cast iron gate valves. Advantages, disadvantages and classification. Functioning principle and features. Furnace valve. Design Features. Mounting a flange valve.
Polyethylene pipes: certification of polyethylene products, extruder varieties and line equipment, technology for the production of HDPE pipes, their characteristics and quality control.
Polyethylene pipes for gas supply. The main advantages and disadvantages. Scope of application. Characteristics. Properties of HDPE pipes. Classification of gas pipelines. Installation of PE pipes.