A best practice is a method or technique that has been generally accepted as superior to any alternatives because it produces results that are superior to those achieved by other means or because it has become a standard way of doing things, e.g., a standard way of complying with legal or ethical requirements.

A common grout mix used to protect aquifers from ground or cross contamination and ensure good contact between loop and surrounding soil.

A fitting either molded separately or formed from pipe for the purpose of accommodating a directional change.

Benchmarking is the practice of comparing business processes and performance metrics to industry bests and best practices from other companies.

In gauges intended to sense small pressures or pressure differences, or require that an absolute pressure be measured, the gear train and needle may be driven by an enclosed and sealed bellows chamber, called an aneroid, which means "without liquid".

The becquerel is the SI derived unit of radioactivity. One becquerel is defined as the activity of a quantity of radioactive material in which one nucleus decays per second.

A scale of wind forces, described by name and range of velocity, and classified from force 0 to 12.

A beam engine is a type of steam engine where a pivoted overhead beam is used to apply the force from a vertical piston to a vertical connecting rod.

A grid-tied electrical system.

A battery storage power station is a type of energy storage power station that uses a group of batteries to store electrical energy.

A battery charger, or recharger, is a device used to put energy into a secondary cell or rechargeable battery by forcing an electric current through it.

Battery backup inverters, are special inverters which are designed to draw energy from a battery, manage the battery charge via an onboard charger, and export excess energy to the utility grid.

The barrel of oil equivalent is a unit of energy based on the approximate energy released by burning one barrel (42 US gallons or 158.9873 litres) of crude oil.

Barometric pressure is the pressure within the atmosphere of Earth.

An instrument that measures atmospheric pressure.

Bare hand, or potential working, involves placing the worker in direct electrical contact with an energized overhead line.

The bar is a metric unit of pressure, but not part of the International System of Units (SI).

A contructed reservoir where water is pumped or siphoned from a river of variable quality or size.

A ball valve is a form of quarter-turn valve which uses a hollow, perforated and pivoting ball to control flow through it.

The outdoor air temperatures where internal heat gains from people, appliances, etc. offset the envelope heat loss to the atmosphere.