Vocabulary

Emulsion- Any suspension of liquid in another liquid
Masking Easle- A stand or frame for supporting or displaying at a angle
Exposure- The act of exposing
Safe Light- A darkroom light with a filter that transmits only those rays of the spectrum to which films, printing paper, etc., are not sensitive.

Dodging- Also, hold back. Photography . (in printing) to shade (an area of a print) from exposure for a period, while exposing the remainder of the print in order to lighten or eliminate the area
Burning- The baking of ceramic products to develop hardness and other properties.