1. natural fibres- eg, cotton and linen
2. chemical fibres- made from both natural and chemical substances.
living and nonliving
We sort materials by classifying them into certain groups.
Nonmetallic mineral resources can be divided into two groups: industrial minerals (such as gypsum and salt) and building materials (such as sand, gravel, and limestone). Industrial minerals are used in various industries, while building materials are used in construction and infrastructure projects.
for getting study materials into mails , you have to join certain educational groups like yahoo groups or google groups which suit your requirements , then group admin sends study material to your mail
The are the natural substances.
All materials are either metal, metalloid, or nonmetal.
They used different materials to build there homes because ceartan groups lacked resources to build there homes
There are three, and only three, packing groups defined in the regulations for transportation of hazardous materials (dangerous goods).
when members of two separated groups of a population can no longer interbreed, the two groups are members of different what
Codification in materials management is better known as the identification of materials. These are separated into different groups such as metals and fabrics.
Cereal can be classified into two groups: prepared and cooked.
what are the two major groups of minerals