11. The change in top plate angle, as the diver breathes, controls the gas addition mechanism. 12. Put a dough ball between the sheets and gently press down top plate of press. 13. Some walls, particularly load-bearing walls, have double top plates . 14. The soundbox consists of a curved top plate , a flat bottom plate, and six side-pieces. 15. The top plate could move and was called the follower, the bottom plate was fixed. 16. The top plate is unjacketed so that it may contain a hatch and a firing chute. 17. Engraved numerals and arrows in the top plate indicate their respective function and mode of operation. 18. The monument sits on a sloping rough-cut step with a flat top plate with semi-circular edges. 19. Most, but not all, have double top plates . 20. Invert again and remove top plate or pan.
