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  2. Structural clay tile - Wikipedia

    en.wikipedia.org/wiki/Structural_clay_tile

    Also called building tile, structural terra cotta, hollow tile, saltillo tile, and clay block, the material is an extruded clay shape with substantial depth that allows it to be laid in the same manner as other clay or concrete masonry. In North America it was chiefly used during the late 19th and early 20th centuries, reaching peak popularity ...

  3. Cinder track - Wikipedia

    en.wikipedia.org/wiki/Cinder_track

    A cinder track is a type of race track, generally purposed for track and field or horse racing, whose surface is composed of cinders. For running tracks, many cinder surfaces have been replaced by all-weather synthetic surfaces, which provide greater durability and more consistent results, and are less stressful on runners. The impact on ...

  4. Masonry - Wikipedia

    en.wikipedia.org/wiki/Masonry

    Concrete masonry units (CMUs) or blocks in a basement wall before burial. Blocks of cinder concrete (cinder blocks or breezeblocks), ordinary concrete (concrete blocks), or hollow tile are generically known as Concrete Masonry Units (CMUs). They usually are much larger than ordinary bricks and so are much faster to lay for a wall of a given size.

  5. What is the Churchill Downs track made of? Here's how they ...

    www.aol.com/churchill-downs-track-made-heres...

    There are three big mounds of dirt on the backside at Churchill Downs that are carefully mixed to create the racetrack surface. Here's how they do it.

  6. How a tiny Peoria-area high school created a unique old ...

    www.aol.com/tiny-peoria-area-high-school...

    The Illinois village of Roanoke hosts the inaugural Cinder Classic, a unique old-school high school track and field event.

  7. Course (architecture) - Wikipedia

    en.wikipedia.org/wiki/Course_(architecture)

    This is the simplest arrangement of masonry units. If the wall is two wythes thick, one header is used to bind the two wythes together. [3] Header course: This is a course made up of a row of headers. [1] Bond course: This is a course of headers that bond the facing masonry to the backing masonry. [1] Plinth: The bottom course of a wall.

  8. 50 Inventions From The Past That Were Amazingly Innovative - AOL

    www.aol.com/98-historical-inventions-were-ahead...

    The hot air and smoke then rose through the clay or tile flues that made up the walls of the building before traveling out through outlets in the roof. In this way, the system could also be used ...

  9. Unreinforced masonry building - Wikipedia

    en.wikipedia.org/wiki/Unreinforced_masonry_building

    An unreinforced masonry building (or UMB, URM building) is a type of building where load bearing walls, non-load bearing walls or other structures, such as chimneys, are made of brick, cinderblock, tiles, adobe or other masonry material that is not braced by reinforcing material, such as rebar in a concrete or cinderblock. [1]