When driving, always keep your eyes moving. This statement means to scan the road for potential hazards quickly glance at your blind spot, then return your sight forward quickly look in the mirrors, at the speedometer, and at the gas gauge every five to 10 seconds perform all of the above

What is the heat treatment of metals? what is the benefit of it? why and how it's useful? answer in details, do not write by hand.

What is the major difference between thermoplastics and thermosetting plastics from the polymerization structure point of view?

Asimple speed reducer is composed of 2 spur gears. the pinion gear has a pitch diameter of 0.75" and 36 teeth while the driven gear has a pitch diameter of 4.0" and 192 teeth. a)-what is the diametral pitch of each gear? b)-if an electric motor rotating ccw at 3000 rpm is coupled to the pinion, what is the rotational speed of the driven gear? c)-if the torque delivered to the pinion is 1 n-m, what is the torque on the driven gear? d)-what is the power transmitted by the gear train?