These bricks are made from fire-clay .
Fire-clay is a refractory clay which is capable of resisting a high
temperature without being melted or softened. It is used in the
manufacture of f…
An arch is a structure constructed to span across an opening. It generally consist of small wedge-shaped units which are jointed together with mortar. The important technical terms used in …
Following are the ingredients which are undesirable in the brick material- Lime Alkalies Pebbles Iron pyrites Vegetation and Organic matter 1. LIME If lime in brick earth present in excess, it cau…