THE__________PUMP_UTILIZES_A_TUBE_IN_THE_SHAPE_OF_A_SEMI-CIRCLE_WITH_2_OR_MORE_PINCHING_ROLLERS_ON_THE_OUTER_EDGE_OF_A_WHEEL_THAT_ROTATES_ON_THE_INSIDE_OF_THE_SEMI-CIRCLE.?$

• A. Gear
• B. Teeth
• C. Tubing
• D. Lobe