3. Fill in the blanks in these sentences with either up or down. 1. As the car slows__________, kinetic energy is converted to heat. 2.An installation technician connects ____________cables and switchgear. 3.A plastic pellet in a washing machine door heats ________and pushes the lock into position. 4.Car wheels are ventilated to cool ____________ the brake discs. 5.Transformers are used on construction sites to step ___________the mains voltage to avoid accidents with hand tools. 6.Students in David's maths class were split _____________into three groups. 7.One of Lucy's friends came ______________with the name Swing ex-L. 8.Students should keep ______________with subjects lie maths and physics.