The collective term for the four materials you are referring to is not specified in your question. However, if you're referring to common materials like wood, metal, plastic, and glass, they can generally be categorized as "construction materials" or "raw materials." If you have specific materials in mind, please provide their names for a more accurate answer.
Collective Term stands for a group of objects, people, or thing as a basic unit.
The collective term for caterpillars is an army of caterpillars.
The collective noun 'class' is used for a class of students.
An alternate term for a collective noun is a group noun.
The noun 'beehive' is used as a collective noun in the term 'a beehive of activity'.
The term Tetrad means a group of four. It can be used in any context when talking about something that has a collective of four such as a tetrad of cats.
Forests, is the collective term for groups of treed vegetation.
The collective term for a group of tortoises is a "creep."
Geese is actually the collective term for goose.
Collective Term stands for a group of objects, people, or thing as a basic unit.
The collective term for a group of ferrets is a "a business of ferrets" or "a cast of ferrets".
The noun perianth is a collective term for all the petals and sepals.
The collective term for caterpillars is an army of caterpillars.
Geese is actually the collective term for goose.
the collective term for a positive integers and zero is
The collective noun is an ensemble of sting musicians.
The collective noun 'class' is used for a class of students.