Applying emulsion, vinyl emulsion and oil-based paints and varnishes to interior or exterior walls, woodwork and metal surfaces. Applying wood stains. Applying primers. Using thinners.

Developing colour or black and white films or prints. Fixing colour or black and white films or prints. Stop baths used between developing and fixing. Chemicals used for specialist treatments.

Etching zinc or copper plates for intaglio printing using dilute nitric acid.

This gives some examples of methods of waste disposal from D&T facilities.