Plastic or cast iron sunroof?
First of all, let's return to the question “ "What is a manhole cover for”" First of all, to ensure the safety of roads. Secondly, to create access to the…
Rain receivers. And is it really necessary?
Unfortunately, the construction of storm sewers is impossible without the installation of storm wells. So, according to the norms of the SNIP. Basically, the rain receiver is located in the…
Cast Iron casting
Cast iron is an alloy of iron in a ratio of at least 2.14% to carbon. Mainly metal, divided into 2 types: gray and white. In the first, the content…
