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2. Grab bar - Wikipedia

   en.wikipedia.org/wiki/Grab_bar

   Grab bar mounted in a bathroom. Grab bars are safety devices designed to enable a person to maintain balance, lessen fatigue while standing, hold some of their weight while maneuvering, or have something to grab onto in case of a slip or fall. A caregiver may use a grab bar to assist with transferring a patient from one place to another.

3. Boring (manufacturing) - Wikipedia

   en.wikipedia.org/wiki/Boring_(manufacturing)

   Boring (manufacturing) A part's-eye view of a boring bar. Hole types: Blind hole (left), through hole (middle), interrupted hole (right). In machining, boring is the process of enlarging a hole that has already been drilled (or cast) by means of a single-point cutting tool (or of a boring head containing several such tools), such as in boring a ...

4. Accessible toilet - Wikipedia

   en.wikipedia.org/wiki/Accessible_toilet

   Accessible toilets are designed to address these issues by providing more space and bars for users to grab and hold during transfers, and space for an assistant if necessary. Toilets in private homes can be modified to increase accessibility; this is one of the skills of an occupational therapist. [1] Common modifications include: adding a ...

5. Dredging - Wikipedia

   en.wikipedia.org/wiki/Dredging

   A grab dredge. Dredging is the excavation of material from a water environment. Possible reasons for dredging include improving existing water features; reshaping land and water features to alter drainage, navigability, and commercial use; constructing dams, dikes, and other controls for streams and shorelines; and recovering valuable mineral deposits or marine life having commercial value.

6. Trenchless technology - Wikipedia

   en.wikipedia.org/wiki/Trenchless_technology

   Trenchless construction includes such construction methods as tunneling, microtunneling (MTM), horizontal directional drilling (HDD) also known as directional boring, pipe ramming (PR), pipe jacking (PJ), moling, horizontal auger boring (HAB) and other methods for the installation of pipelines and cables below the ground with minimal excavation.

7. Bottom hole assembly - Wikipedia

   en.wikipedia.org/wiki/Bottom_hole_assembly

   Bottom hole assembly. A bottom hole assembly (BHA) is a component of a drilling rig. It is the lowest part of the drill string, extending from the bit to the drill pipe. The assembly can consist of drill collars, subs such as stabilisers, reamers, shocks, hole-openers, and the bit sub and bit. [1]