Qidiruv

A small flat piece of metal or other material, typically square or hexagonal, with a threaded hole through it for screwing on to a bolt as a fastener

[English impact - percussion] - monitoring in zones and spots which are super dangerous for a natural environment situation. I.m., as a rule, is distinguished with integr

is a traditional education for Russia, a type of general secondary education, which involves the systematic study of ancient languages and mathematics as the main subject

treating of potable water or sewage by chlorine for the purpose of their decontamination (disinfection). The ozonization (i.e. treating by ozone) is more preferential to

– maximum admissible concentration of pollutants permitted to be discharged during an fixed period of time (as a rule, calendar year); is established by power bodies of t

short-sized (for one occasion only) or during a particular time (hour, day) inflow into the environment of any pollutants or surplus heat with end gasses. Distinguished: