Complete these sentences describing the injection moulding process using the active or passive forms of the verbs in brackets, as appropriate.

1. Plastic pellets (store) in a hopper at the top of the machine.
2. The pieces of plastic (transfer) from the hopper into the cylinder.
3. The plastic (propel) along the cylinder by a rotating screw.
4. The heaters around the cylinder (raise) the temperature of the plastic.
5. As a result, the plastic softens and (flow) more easily.
6. The plastic (force) under pressure through a small nozzle. 
7. The soft, warm plastic (injected) into a mould.
8. The mould (cool) {2:=SA:=cools} the plastic, and it becomes hard.
9. The two halves of the mould (separate) and the plastic (eject) .