Quantitative allocation of resources viz. Man, Material, Machinery, Minutes and Money – are required for specific tasks in specific time-frames,

Lintels are wall-width beams placed across doors-openings, windows etc. to support the structural-load from above.

These materials are widely used in buildings for their intrinsic properties of lightness and corrosion resistance.

Various technologies are used to control the temperature, humidity and purity of the air in buildings;