Definitions for "Soils"
any material that contaminates equipment (ea. grease, scale, burned on food or other food residues).
Acidic (clay types) Calcareous (chalky) Fibrous Peaty (acid) Sandy (light)
Soils are spots, marks, residues or stains caused by soiling. Soils can be caused by oils, greases, fires, clay, sand, dust, smoke etc.
Describes a wide group of substances that attach themselves to surfaces creating a pollutant. Soils loosely attach themselves to surfaces by surface tension, electrical attraction or chemical bonding.