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.
(jÄ­b). n. 1. Nautical A triangular sail stretching from the foretopmast head to the jib boom, the bowsprit, or the bow.