Do the following exercises on 8½ʺ × 11ʺ drawing paper with a ½ʺ border, using drawing inst...

Do the following exercises on 8½ʺ × 11ʺ drawing paper with a ½ʺ border, using drawing instruments.

Draw sixteen ½" high × 1"-wide rectangles equally spaced on the paper; ¼" below each rectangle draw guidelines  high. Letter the titles of the following material symbols, and poché the proper symbol in the rectangle above: compact fill, gravel rock, concrete, C.M.U., brick, firebrick, field stone, steel, finish wood, rough wood, plywood, hardboard, ball insulation, rigid insulation, and glass.