New Vocabulary List;
- Coal: A combustible black or dark brown rock consisting chiefly of carbonized plant matter, found in underground seams and used as fuel.
- Fiber Concrete: - Fibrobeton - is a kind of concrete to use fibrous materials to supplement or to replace rebars as reinforcements.
- Shot Crete (Spray) Concrete: Retaining wall construction and repair work (to fill the cracks).
- Light weight Concrete: Suitable for non-load bearing structures, acoustic and insulation purposes.
- Pumice: A very light and porous volcanic rock formed when a gas-rich froth of glassy lava solidifies rapidly.
- Perlite: Powdered volcanic product.
- Slage: A fine-grained
bluish gray rock that splits into thin layers or plates and is used mostly for roofing and blackboards.
- Vacuumed reinforced Concrete: Is stronger than normal concrete, is a specific equipment that is used to extract air and water before first drying period of concrete.
https://civiltoday.com/civil-engineering-materials/concrete/27-vacuum-concrete-definition-advantages
Woods;5 why it is written like this? Metal;4 why??
Why do you have two part of concrete? Under the concrete, you should have your glossary only once.