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  2. Sink - Wikipedia

    en.wikipedia.org/wiki/Sink

    A butler's sink is a rectangular ceramic sink with a rounded rim which is set into a work surface. [5] There are generally two kinds of butler's sinks: the London sink and the Belfast sink. [ 5 ] In 2006, both types of sinks usually were 61 centimetres (24 in) across and 46 centimetres (18 in) front-to-back, with a depth of 22.5 centimetres (8. ...

  3. Engineering drawing - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing

    As a necessary means for visually conveying ideas, technical drawing has been in one form or another a part of human history since antiquity. The use of these early drawings was to express architectural and engineering concepts for large cultural structures: the temples, monuments, and public infrastructure.

  4. Watershed delineation - Wikipedia

    en.wikipedia.org/wiki/Watershed_delineation

    Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin.It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution.

  5. Reference dimension - Wikipedia

    en.wikipedia.org/wiki/Reference_Dimension

    A reference dimension is a dimension on an engineering drawing provided for information only. [1] Reference dimensions are provided for a variety of reasons and are often an accumulation of other dimensions that are defined elsewhere [2] (e.g. on the drawing or other related documentation).

  6. History of water supply and sanitation - Wikipedia

    en.wikipedia.org/wiki/History_of_water_supply...

    Qanat in Kashan surfacing within the Fin Garden; it is thought to have served Iran's Sialk area for thousands of years.. The history of water supply and sanitation is one of a logistical challenge to provide clean water and sanitation systems since the dawn of civilization.

  7. Hesco bastion - Wikipedia

    en.wikipedia.org/wiki/Hesco_bastion

    HESCO MIL units stacked two units high around portable toilets in Iraq German base (Norwegian section) inside Camp Marmal near Mazar-i-Sharif, Afghanistan.Note the internal lines of gabions to reduce and compartmentalize mortar effects.

  8. AutoCAD - Wikipedia

    en.wikipedia.org/wiki/AutoCAD

    AutoCAD is a 2D and 3D computer-aided design (CAD) software application developed by Autodesk. [1] It was first released in December 1982 for the CP/M and IBM PC platforms as a desktop app running on microcomputers with internal graphics controllers . [ 2 ]

  9. Groundwater model - Wikipedia

    en.wikipedia.org/wiki/Groundwater_model

    Typical aquifer cross-section. An unambiguous definition of "groundwater model" is difficult to give, but there are many common characteristics. A groundwater model may be a scale model or an electric model of a groundwater situation or aquifer. Groundwater models are used to represent the natural groundwater flow in the environment.