The use of chemical cleaning agents to improve the flow through the drain from a sink and remove stains from the sink itself; many use strong acids or alkalis, others contain enzymes or hypochlorite.

Cleaning the insides of ovens using powders, liquids, gels, sprays and pads.

This is an index of the MRAT titles.

It is updated when changes are made, or MRATs added.

Changes are marked on the index.

The disposal of food waste including cooked and uncooked material.Disposal of unwanted / irreparable equipment.