1) The document discusses different types of tiles used in construction including wall tiles, floor tiles, décor tiles, and border tiles. It provides details on sizes and prices of tiles from different manufacturers. 2) Technical specifications are presented for wall tiles, floor tiles, and homogeneous floor tiles from China Bangladesh Ceramics Ltd., including thickness, water absorption, flexural strength, porosity, and other quality parameters. 3) Raw materials used in tile production are described, including sources within Bangladesh and some imported materials used.