How to pave over our big (cigarette) butt problem
Cigarette butts are toxic for the environment. Encapsulating them into asphalt traps the chemicals in the filters and improves the performance of the construction material.
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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