production of silk
Silk production is especially common in the
Hymenoptera (bees, wasps, and ants), and is sometimes used in nest
construction. Other types of arthropod produce silk, most notably
various arachnids such as spiders. The silk produced by other
insects, mainly spiders, is used in a small number of other commercial
applications, for example weapons, telescopes, and other optical
The commercial process of silk making is highly
complex and labor intensive. The following will provide basic
information on how silk is made.
production of cotton
The cotton plant is a warm-season woody perennial shrub, which is grown
as an annual field crop. Because the plants are grown in various
environments, cotton farmers can choose from many varieties of cotton
that are bred to be productive in various environmental and cultural
conditions. After the seeds are planted and the plants begin to grow and
develop, they must be protected from insects, diseases and weeds.
production of wool
Fiber diameter varies by breeds of sheep and is used to determine the
purpose of the wool. Wool made up of smaller diameter fibers or fine
wool is used for clothing while wool made up of larger diameter fibers
or coarse wool is used for carpets and rugs. Below are more details
about wool production and wool quality.