pipe coupling
41соединение труб — [pipe joint, union coupling] соединение концов труб, обеспечивающее герметичность и прочность трубопровода. В некоторых случаях соединение труб должно также обеспечивать возможность их быстрой сборки и разборки или изменения направления… …
42List of pipeline accidents — The following is a list of pipeline accidents: This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. Contents 1 Bel …
43Glossary of firefighting equipment — Note: This list is incomplete. You can help Wikipedia by [http://en.wikipedia.org/w/index.php?title=Glossary of firefighting equipment action=edit adding to it] . 0 9 * 1 3/4 inch hose: see attack hose * 2 1/2 inch hose: see attack hose , supply… …
44Piping and plumbing fittings — Fittings are used in pipe and plumbing systems to connect straight pipe or tubing sections, to adapt to different sizes or shapes, and to regulate fluid flow, for example. Fittings, especially noncommon types, can be expensive, and require time,… …
45Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
46Balun — Pair of AC E 120 Ohm twisted pair (Krone IDC) to 75 Ohm coaxial cable balun transformers. Actual length is about 3cm …
47Nipple (plumbing) — This article is about the fitting used in plumbing and piping. For other uses, see nipple (disambiguation). In plumbing and piping, a nipple is a fitting, consisting of a short piece of pipe, usually provided with a male pipe thread at each end,… …
48String theory — This article is about the branch of theoretical physics. For other uses, see String theory (disambiguation). String theory …
49ГОСТ Р 53366-2009: Трубы стальные, применяемые в качестве обсадных или насосно-компрессорных труб для скважин в нефтяной и газовой промышленности. Общие технические условия — Терминология ГОСТ Р 53366 2009: Трубы стальные, применяемые в качестве обсадных или насосно компрессорных труб для скважин в нефтяной и газовой промышленности. Общие технические условия оригинал документа: 3.1 анализ плавки (heat analysis):… …
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50Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …