Keywords:
Approval marks, Binding agents, Blast-furnace slag aggregates, Bricks, Building sites, Cements, Colour codes, Compression testing, Compressive strength, Construction materials, Definitions, Dimensions, Enterprises, Handles, Holes, Hollow bricks, Lime, Marking, Mill works, Mortars, Openings (construction spaces), Samples, Sampling methods, Sand, Shape, Specification (approval), Stone, Surveillance (approval), Test specimens, Weights