English to Bulgarian Tech/Engineering Furniture / Household Appliances

While performing the grill or rotisserie function, keep the oven door opened completely. As a safety feature, a switch prevents the grill from working when the door is closed. It will only work when the door is fully open.
The ***knob protection sheet*** against the air of the oven should be pulled out.

Тук съм качила и картинката, която на мен не ми помага особено: http://pg.photos.yahoo.com/ph/ajtep/detail?.dir=/88b8re2&.dn...