1.A hacksaw is a fine-toothed saw, originally and mainly made for cutting metal, plastic or wood. For industries to realize the production, it is necessary to cut metal, plastic bars with high rate. So, it’s not possible ...

Chemical contact with eye can cause severe ocular damage leading to blindness. Treatment of on ocular burn can be sever and difficult to manage. New designs of eye wash stations have been developed in which the direction ...

An ultrasonic car braking system includes; an ultrasonic wave emitter provided in a front or portion of an automatic braking car producing and emitting ultrasonic waves frontward in a predetermined distance in front of the ...

Deficiencies in present roadway network of Dhaka cig have reached to such an alanrring state where scopes of traffie improvement are getting confined day after day. Weak infrastructure has provoked the heterogeneous ...

Concrete is a construction material that is mostly used across the world. It is a composite material made out of water, cement, fine aggregate (sand) and coarse aggregate (stones). However, the manufacturing process of ...