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2. Precast concrete - Wikipedia

   en.wikipedia.org/wiki/Precast_concrete

   Precast concrete molds can be made of timber, steel, plastic, rubber, fiberglass, or other synthetic materials, with each giving a unique finish. [3] In addition, many surface finishes for the four precast wall panel types – sandwich, plastered sandwich, inner layer and cladding panels – are available, including those creating the looks of ...

3. Pavers (flooring) - Wikipedia

   en.wikipedia.org/wiki/Pavers_(flooring)

   Pavers manufactured from concrete go well with flag, brick and concrete walkways or patios. Concrete pavers may be used where winter temperatures dip below freezing. They are available in hole, x-shape, y-shape, pentagon, polygon and fan styles. An interlocking concrete paver, also known as a segmental paver, is a type of paver.

4. Permanent mold casting - Wikipedia

   en.wikipedia.org/wiki/Permanent_mold_casting

   Permanent mold casting is a metal casting process that employs reusable molds ("permanent molds"), usually made from metal. The most common process uses gravity to fill the mold, however gas pressure or a vacuum are also used.

5. Snowmelt system - Wikipedia

   en.wikipedia.org/wiki/Snowmelt_system

   A heated sidewalk in Holland, Michigan Installation of a geothermal snowmelt system on a street in Reykjavík, Iceland.. A snowmelt system prevents the build-up of snow and ice on cycleways, walkways, patios and roadways, or more economically, only a portion of the area such as a pair of 2-foot (0.61 m)-wide tire tracks on a driveway or a 3-foot (0.91 m) center portion of a sidewalk, etc.

6. Sand casting - Wikipedia

   en.wikipedia.org/wiki/Sand_casting

   In the case of metals that are significantly heavier than the casting sand, such as iron or lead, the casting flask is often covered with a heavy plate to prevent a problem known as floating the mold. Floating the mold occurs when the pressure of the metal pushes the sand above the mold cavity out of shape, causing the casting to fail.

7. Wikipedia:Language learning centre/Word list - Wikipedia

   en.wikipedia.org/wiki/Wikipedia:Language...

   baa; baaing; baal; babas; babble; babbled; babbler; babblers; babbles; babbling; babe; babel; babes; babies; baboon; baboons; baby; baby-sitter; babyface; babyhood ...