Cement and Plaster in Section Material Symbol Small 320×115 Medium 640×230 Large 1024×367 Download Tiff Original 2400×861 | (216.1 KB) Description Building material conventional symbol for Cement and Plaster in Section commonly used in architectural and mechanical drawing. Keywords Architecture Building Materials Symbol, Conventional Cement and Plaster in Section Material Symbol, mechanical drawing, Symbols of Building Materials Galleries Mechanical Drawing Conventions Source: French, Thomas E A Manual of Engineering Drawing for Students and Draftsmen (New York, NY: McGraw-Hill, 1911)