A green wall is a wall partially or completely covered with vegetation that includes a growing medium, such as soil. Most green walls also feature an integrated water delivery system. Green walls a...
Casting is a manufacturing process by which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify. The solidified part i...
Asbestos (pronounced /æsˈbɛstəs/ or /æzˈbɛstəs/) is a set of six naturally occurring silicate minerals[1] which all have in common their eponymous asbestiform habit: long (roughly 1:20 aspect ratio...
Construction material
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O.[3] It can be used as a fertilizer, is the main constituent in many forms of plaster and...
Galvanization is the process of applying a protective zinc coating to steel or iron, in order to prevent rusting.
Fiberboard is a type of engineered wood product that is made out of wood fibers. Types of fiberboard (in order of increasing density) include particle board, medium-density fiberboard, and hardboar...
Radiation therapy, radiotherapy, or radiation oncology, often abbreviated RT, RTx, or XRT, is the medical use of ionizing radiation, generally as part of cancer treatment to control or kill maligna...
Flaw inspection
artificial lightweight aggregate
A semiconductor is a pure crystaline material which has electrical conductivity between that of a conductor such as copper and that of an insulator such as glass. Semiconductors are the foundation ...
Waste and wastes are terms for unwanted materials.
In chemistry, quantitative analysis is the determination of the absolute or relative abundance (often expressed as a concentration) of one, several or all particular substance(s) present in a sample.
Visual concentration determination
Nitrogen, symbol N, is the chemical element of atomic number seven. At room temperature, it is a gas of diatomic molecules and is colorless and odorless.
Electrical impedance is the measure of the opposition that a circuit presents to a current when a voltage is applied.
Flow measurement is the quantification of bulk fluid movement. Flow can be measured in a variety of ways. Positive-displacement flow meters accumulate a fixed volume of fluid and then count the num...
