A brush for cleaning pipes. Signs of clogging and consequence. What tool to use. We make ruffs for cleaning the chimney with our own hands. How to clean a chimney.
Perforated metal pipe: varieties and technical description. The shape and pitch of the holes. Terms of use of perforated products with a geotextile winding.
GOST 3262-75 steel pipe: the main features of VGP products, a range of communications, technical requirements for products, conditions for acceptance and testing.
Dimensions of metal pipes. Varieties of metal pipes by material. The main parameters of metal pipes. Sizes of pipes made of steel, cast iron, copper and aluminum.
Electric screwdriver. What is a screwdriver. Varieties. Device. How to work with an electric screwdriver. Advantages and disadvantages of the tool. Reasons for failures. Selection rules.
The coupling is connecting. Coupling made of low pressure polyethylene, polyvinyl chloride, polypropylene. Types of couplings by mounting method: compression, crimp, threaded.
Fastening the drainpipe to the wall. What gutter system can be installed. Requirements for fasteners. Fastening when laying a drain from top to bottom and from bottom to top.
Installation of polyethylene pipes. Types and application. Technical characteristics and properties of HDPE and LDPE pipes. Selection of fittings for connecting polyethylene pipes. Installation tips.