Out of order shut-off valve? Mend own

Do not know repair broken shut-off valve? You have got at. In general, this devoted article.
Mending ball valve - not simple it. Some pretty strongly wrong, underestimating complexity this actions. However not stand panic. Overcome this puzzle you help patience and Agility.
If you still decided own repair, then first must learn how repair shut-off valve. For this purpose sense use mail.ru or rambler, or look old binder magazines "Skilled master", "Himself master" and etc., or read popular forum or community.
I think this article least anything helped you fix shut-off valve.