Members of each skill group held the. ball behind the head at some time in the preparatory phase of the. shot. One member of the high skill group used extreme hip and. knee flexion in the preliminary portion of the shot.
Transformer oil is either synthetic or minerals. Oil inside the transformer is act as a transfer media for heat transfer from HT and LT coils and circulate inside the transformer. Oil also provide insulation and protection to windings.
I would guess that you don't have a problem with the transformer. To review, the transformer is connected to a house hot feed and a neutral wire. Therefore, it has power all the time. The outputs of the transformer go to the doorbell/chime wires.