소소 | asdasd | Activity https://soso-k.com/members/vitetm4500/activity/ asdasd의 활동 피드 Sun, 05 Apr 2026 03:10:37 +0900 https://buddypress.org/?v=7.2.1 ko-KR 30 hourly 2 01813d2e44f59ec93e048086e28f22a4 asdasd이(가) 업데이트를 게시했습니다: If amines (commonly cyclohexylamine, morpholine, or […] https://soso-k.com/timeline/p/1315/ Wed, 29 Sep 2021 06:43:01 +0900 If amines (commonly cyclohexylamine, morpholine, or diethylethanolamine (DEAE) are fed properly to neutralize condensate pipe pH, condensate pipes can last the life of the building. Some building owners do not want these chemicals in steam that may be used for humidification because of health concerns; however, not using these amines might require…[더 보기]

]]> 0 e853b92d302663d46176ce01b256731d asdasd이(가) 업데이트를 게시했습니다: Steel is strong, rigid, and has a low coefficient of thermal […] https://soso-k.com/timeline/p/1314/ Wed, 29 Sep 2021 06:42:56 +0900 Steel is strong, rigid, and has a low coefficient of thermal expansion. It is also heavy (multiple workers may be needed to transport it) and is subject to corrosion. Sometimes it is called carbon steel or black special steel to differentiate from stainless and galvanized steel. All steel, by definition, contains carbon.

Steel often…[더 보기]

]]> 0 962572f5b5cc3498574b72ee13729565 asdasd이(가) 업데이트를 게시했습니다: Steel pipes are the most commonly used pipes in water supply […] https://soso-k.com/timeline/p/1313/ Wed, 29 Sep 2021 06:42:50 +0900 Steel pipes are the most commonly used pipes in water supply systems. They are also used in pipelines for natural gas, and sewerage systems. Although comparatively expensive to other pipes, they hold the advantage of being able to withstand high pressures and are available in more convenient lengths, and can also be welded easily, thereby…[더 보기]

]]> 0 ce4eb85a933994fa01e12d1abcf4aa55 asdasd님이 등록된 회원으로 됐습니다 https://soso-k.com/timeline/p/1310/ Wed, 29 Sep 2021 06:39:37 +0900 0