Answer:
Explained
Explanation:
Cutting tools:
1. Cutting tools can either be single point or multi point.
2. Cutting tools can have variety of material depending on use like ceramics, diamonds, metals, CBN, etc.
3.Cutting tools have definite shapes and geometry.
Abrasive machining tools
1. Abrasive tools are always multi point tools.
2. Abrasive tools composed of abrasives bounded in medium of resin or metal.
3. They do not have definite geometry of shape
Answer:
<u>Assistants</u><u> </u><u>works alongside and assists the engineers.</u>
Answer: Several examples point to positive effects on the economy.
Explanation:
In the first place, it is possible to point out that environmental protection protects human health. This saves billions of dollars that could be spent on health issues. On the other hand, people employed in the sector pay taxes like all other citizens. On the other hand, they directly affect the environment. Vast sums of money would also be spent on cleaning these areas, so this organization acts preventively and saves money for the government.
Answer: Find the answer in the explanation
Explanation:
Helmets are manufactured by the use of different categories of polymer. The common material used for manufacturing of helmets are:
1. Polycarbonate
2. Styrofoam
3. Foam
4. Acrylic and polycarbonate
5. Nylon
All the polymer used for the manufacturing of helmets fall under synthetic and semi synthetic categories of polymer.
The styrofoam is classified under addition polymerization. While the nylon is classified under condensation polymerization.
The low density polythene used is classified as branch chains polymer. While the polycarbonate is of high tensile strength with strong mechanical properties.