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19-3-proverka-ventilya.html
19.3. Gate checkUnscrew a cap from the gate.
Put on the gate of a few saliva. At vial formation screw up the gate a cap underside. For a gate tightening to use only a metal cap.
Repeatedly check up the gate. At a further education of vials and at impossibility довинчивания the gate replace the gate.
Necessarily screw a cap.
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