One of the most frightening and destructive phenomena of nature that man experiences is a severe earthquake and its terrible aftereffects. Since long before man existed, probably for more than 4 billion years, the forces within the Earth that produce earthquakes have played an active role in shaping the Earth's surface. These unpredictable catastrophic movements of the Earth have caused a great number of human casualties and extensive property damage.
In cinematography, a jib is a boom device with a camera on one end, and a counterweight and camera controls on the other. [1] It operates like a see-saw, but with the balance point located close to the counterweight, so that the camera end of the arm can move through an extended arc.
Freebase(0.00 / 0 votes)Rate this definition: A jab is a type of punch used in the martial arts. Several variations of the jab exist, but every jab shares these characteristics: while in a fighting stance, the lead fist is thrown straight ahead and the arm is fully extended.