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  2. Tuckpointing - Wikipedia

    en.wikipedia.org/wiki/Tuckpointing

    The term tuckpointing derives from an earlier, less sophisticated technique that was used with very uneven bricks: a thin line, called a tuck, was drawn in the flush-faced mortar, but left unfilled, to give the impression of well-formed brickwork. [citation needed] "Wigging", an Irish technique similar in effect, reverses the order. The white ...

  3. Repointing - Wikipedia

    en.wikipedia.org/wiki/Repointing

    German masons repointing a wall in 1948. Repointing is the process of renewing the pointing, which is the external part of mortar joints, in masonry construction. Over time, weathering and decay cause voids in the joints between masonry units, usually in bricks, allowing the undesirable entrance of water.

  4. Stack effect - Wikipedia

    en.wikipedia.org/wiki/Stack_effect

    The stack effect or chimney effect is the movement of air into and out of buildings through unsealed openings, chimneys, flue-gas stacks, or other purposefully designed openings or containers, resulting from air buoyancy. Buoyancy occurs due to a difference in indoor-to-outdoor air density resulting from temperature and moisture differences ...

  5. Chimney felling - Wikipedia

    en.wikipedia.org/wiki/Chimney_felling

    Chimney felling is the practice of demolishing or "felling" a chimney stack. Modern health and safety rules now largely prohibit the practice in industrialized areas; the current technique is to pack explosives around the base of the chimney. It is, however, popular within China's old industrial centers.

  6. Chimney sweep - Wikipedia

    en.wikipedia.org/wiki/Chimney_sweep

    A chimney sweep in Wexford, Ireland in 1850. A chimney sweep is a person who inspects then clears soot and creosote from chimneys. The chimney uses the pressure difference caused by a hot column of gas to create a draught and draw air over the hot coals or wood enabling continued combustion. Chimneys may be straight or contain many changes of ...

  7. Doctors Say This Is the Best, Most Effective Way to ... - AOL

    www.aol.com/doctors-best-most-effective-way...

    We tapped doctors, including an allergist and ear, nose, and throat specialists, for more information on the proper nose-blowing technique—including what may happen if you do it the wrong way ...

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