#safety_valve #valve_lapping
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What is valve..? Video link :
kzitem.info/news/bejne/xK-nqZ-ghWR-apg
Gate Valve video link
kzitem.info/news/bejne/t2pjrYiGm3iEhII
Glob valve video link :
kzitem.info/news/bejne/k6-ZvJagq4FjnqQ
safety valve lapping
Негізгі бет Ғылым және технология Dismantle safety Valve & Lapping #safety_valve
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