Studying in U-Tube

Unfavorable body condition interferes my attitudes, no way to go next step on servicing my automobiles. Slouching cannot be formed because of some electric current like pain on my back. The time interval for healing this disease gives me the opportunity to study again and to remember the way for servicing technique on the old styled way of non electric sensor drive ancient automobiles. Teaching aids and guiding movies are upped in U-Tube, they are very helpful on earth.