Istifoda shuda dar tarkibi sistemai zamin, molni-zashita va barobari potencialho. Moqsad baroi qabul kardan (paralel va perpendicular) provodnikhoi gundor (tokootvodho) ba faltsi krovli.
Az stal ba pokritiyi garmiy tsink bo muqaddimoti GOST 9.307-89 va stalai nashar.
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