Karachi is enormous and vast and comes among the largely populated cities of the world. Traveling is a major need of every city , people travel everyday to work, to learn, to shop and do many other daily life chores. Everyone wants to get to their destination quickly and safely with spending the least traveling cost. Hence a good transportation system is an

It is present as an emulsion in the latex of rubber trees mostly grow in hot, moist climate ► Malaysia, Venezuela, Mexico. Latex is milky fluid oozing (dropping) from vertical grooves having an upward inclination cut around the trunk of the rubber tree. Pots are tied to the trunk of the trees for collecting latex. Crude rubber is obtained by coagulation of latex with alcohol, alum

Glass is usually classified into three main classes: Soda Lime, Lead, Boro-Silicate glass and commercial forms of glass include: sheet glass, plate glass, tempered plate glass, laminated glass, wired glass, insulating glass, colored glass and flint glass. Flint Glass: It is lead glass which shines Used for glass work as optical glass, for making electric bulbs.

The development of Roller Compacted Concrete (RCC) caused a major shift in the construction practice of mass concrete dams and locks. The traditional method of placing, compacting, and consolidating mass concrete is at best a slow process. Improvements in earth-moving equipment made the construction of earth and rock-filled dams speedier and, therefore

The vertical measuring equipment in surveying are major summed into two but other instruments still exist. The two major ones are: Measurement by surveying levels Barometric – pressure devices