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.
Inside a relay. This is what the inside of an ISO mini relay looks like: A copper coil around an iron core (the electromagnet) is held in a frame or 'yoke' from which an armature is hinged. One end of the armature is connected to a tension spring which pulls the other end of the armature up.