Quick Setting Cement- Phenomenon, Uses and Disadvantages
It is one of the type of cements where the initially set in 5 mins and final set is achieved in 30 mins, which is used in the special conditions of...
Advantages and Disadvantages of Different Types of Movable Bridges
There are different types of movable bridges used for the passage of vessels and ships underway. Advantages and disadvantage of these bridges are...
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