2025-06-13 khan a lo kal a.
Pneumatic fittings enfiah dan .
Pneumatic fittings chu step awlsam pali zawmin i enfiah thei ang. A hmasa berin, a chhe emaw, a chhe emaw a awm leh awm loh visual check rawh. A dawtah chuan sahbawn tui hmanga leak awm leh awm loh test. Tichuan, fitting chu zawi zawiin a kal tir a, physical test ti rawh. A tawpah chuan thread te chu a fit tha em tih enfiah rawh. Inspection mumal tak neih thin ang che sys .