A wall produced in glazed-headed Flemish bond brickwork sample with a variety of shades and lengths. Block is the same expression referring to a rectangular building unit composed of clay or concrete, but is generally much larger than the usual brick. Light-weight bricks (also called lightweight blocks) are made out https://waxandcopureskin94825.frewwebs.com/36957046/indicators-on-construction-you-should-know