power tubing tong
1механический трубный ключ гидравлический — — [http://slovarionline.ru/anglo russkiy slovar neftegazovoy promyishlennosti/] Тематики нефтегазовая промышленность EN power tubing tongspower tubing tong with roll over featurepower tubing tongs with rollover feature …
2Cupronickel — or copper nickel or cupernickel is an alloy of copper that contains nickel and strengthening elements, such as iron and manganese. Cupronickel is highly resistant to corrosion in seawater, because its electrode potential is adjusted to be neutral …
