This material is poured into forms that mold the mixture to the shape desired. When this material cures (hardens), the forms are removed and the structure is complete, except for any surface preparation that may be needed:
What will be an ideal response?
concrete
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The Edison-type lamp uses a(n) ____ enclosed in a glass bulb to produce the light.
A. halogen rod B. tungsten filament C. inert gas D. wire filament
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____________________ is the essential ingredient in chlorophyll
Fill in the blank(s) with the appropriate word(s).
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What term describes the process of passing electrical current through water to break it into oxygen and hydrogen?
A) Electrolysis B) Electric induction C) Hydro division D) None of these
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In the viewing plane when surfaces are not parallel to the plane, the orthographic projection view shows thers surfaces smaller in
A. length or width B. width or height C. back or front
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