gravity drain
1Gravity bong — Waterfall method= Similar in design to the bucket method is the fountain method, also known as a waterfall bong or flood (southern US colloquialism). A Fountain usually consists of a plastic bottle with a hole punched at the bottom and a… …
2Drain-waste-vent system — DWV redirects here. For other uses, see Deformed wing virus. Detail of soil stack, which is connected to the sewer and vented at the top. In modern plumbing, a drain waste vent (or DWV) is part of a system that removes sewage and greywater from a …
3French drain — A French drain, drain tile, or land drain is a ditch filled with gravel or rock that redirects surface and ground water away from an area. French drains are common drainage systems, primarily used to prevent ground and surface water from… …
4Storm drain — This article describes subterranean tunnels conveying runoff from urban streets. See Combined sewer for a description of early drainage systems designed to use storm runoff to flush sanitary and industrial wastes into natural waterways for… …
5Steam assisted gravity drainage — (SAGD) is an enhanced oil recovery technology for producing heavy crude oil and bitumen. It is an advanced form of steam stimulation in which a pair of horizontal wells is drilled into the oil reservoir, one a few metres above the other. Low… …
6Condensing boiler — A condensing boiler utilizes the latent heat of water produced from the burning of fuel, in addition to the standard sensible heat, to increase its efficiency. Contents 1 Principles of work 2 Usage 3 Efficiency 4 …
7Siphon — Not to be confused with Psiphon. This article is about the domestic device. For the animal organ, see siphon (disambiguation). Siphon principle …
8Drainage system (agriculture) — An agricultural drainage system is a system by which the water level on or in the soil is controlled to enhance agricultural crop production. Contents 1 Classification 1.1 Surface drainage systems 1.2 Subsurface drainage systems …
9Coriolis effect — For the psychophysical perception effect, see Coriolis effect (perception). Classical mechanics Newton s Second Law …
10Drainage system (Agriculture) — An agricultural drainage system is a system by which the water level on or in the soil is controlled to enhance agricultural crop production.=Classification=Figure 1 classifies the various types of drainage systems. It shows the field (or… …
