ICING    a violation which occurs when the team in possession of the puck shoots it from behind the red center line across the opponent's goal line into the end of the rink (but not into the goal) and a member of the opposing team touches it first; results in a face-off in the offender's defensive zone; a shorthanded team cannot be called for icing. INTERFERENCE    a penalty called when a player attempts to impede the motion of another player not in possession of the puck. INTERMISSION    a fifteen -minute recess between each of the three periods of a hockey game. KNEEING    a minor penalty which occurs when a player uses a knee to hit his opponent in the leg, thigh or lower body. LEAD PASS    a pass sent ahead of a moving teammate designed to meet the player at the location he is headed. LIE    angle made by the shaft of the stick and the blade. LINE CHANGE    the entire forward line and/or defensive line will be replaced at once. LINESMAN    the two officials on the ice, one at either end, responsible for infractions of the rules concerning off-side plays at the blue lines or center line and for any icing violations; they separate players who are fighting; they conduct most of the face-offs.