This can be accomplished by a variety of means - by the addition of a substance, by heating or cooling. The cooking or heating of a substance at a moderate heat for an extended period. The frequent removal of the moist component of a substance by heating. The conjuction or melting together of two fusible substances. Coloration Tinging a substance by adding a dye or coloured tincture.
Colouring can by either by tinging the whole body or by producing a surface coating.
The burning of a sustance in the open air. The reduction of a substance into a powder, either by grinding, pulverising, or forcing it through a sieve. The joining together of two different substances. The marriage or union of the male and female aspects of substances. The cooking or heating of a mixture of substances at a moderate heat for an extended period.