Water retentivity is the ability of a mortar to retain water against capillary suction of the masonry units.

Agricultural lime is a term used for limestone, dolomitic limestone, quicklime or hydrated lime products that are applied to soil in order to neutralise soil acidity and increase yield. In addition, the essential mineral for plant growth calcium and in the case of dolomite, calcium and magnesium, are released into the soil structure.

A composite sample is a mixture of spot samples taken at different times, or places, from a larger mass of the same material. It is produced by thoroughly mixing the combined spot samples and, if necessary, sub-diving the quantity of the resulting mixture, using approved techniques.

Road base is the main structural element in a road pavement. It spreads concentrated loads from traffic over such an area that the subgrade is able to withstand them.

Absorption is the assimilation of molecules, or other particles, into the physical structure of a liquid or solid, without chemical reaction.

Primary aggregate can be defined as fine, granular or lump stone produced from crushed rock. It may be classified according to it’s geology and source, for example limestone or granite and particle size. Physical properties such as hardness and size classification, and sometimes chemical properties determine suitability for end use. It may be incor [..]

Agricultural hydrate is a relatively coarse, unrefined form of hydrated lime, used mainly for adjusting the acidity of soils.

Aluminous cement consists predominantly of calcium aluminate.

Asphalt is a mixture of bitumen and mineral matter, which may be natural or manufactured.

Highly finished limestone blocks and polished panels used as a decorative building material by architects and builders