1.   Add the peanut oil, then add the dumplings, pleated edge up, in a single layer.

2.   Arrange meat in a single layer on a roasting rack and place in preheated oven.

3.   Cover a flat piece of hardboard with a single layer of flannelette of similar material.

4.   Pack in a single layer, overwrap and freeze.

5.   Place in a small, shallow baking dish in a single layer.

6.   Refrigerate Decorated cookies in a single layer.

7.   Cover the base with a single layer of sponge fingers.

8.   The most efficient arrangement in a single layer of spheres is hexagonal packing.

9.   Analysis was confined to those crypts whose entire lengths could be completely visualised and which contained a single layer of cells only.