Supposably, you was scales. Served it to you some time. Here unexpectedly now - and it breaks. How to Apply in this case? Exactly, about this problem we tell in our article.
So, if you decided their hands practice repair, then the first thing there meaning grab info how repair scales. For this purpose one may use bing or google, or review binder magazines "Junior technician", "Skilled master" and etc., or find response appropriate question on profile forum or community.
I hope this article least something help you repair scales.