Family name. The family name, positioned first, is passed on by the father to his children. It is estimated that there are around one hundred family names in common use, although some are far more common than others. The name Nguyá»n is estimated to be used by almost 40% of the Vietnamese population.
The Doldrums . The Doldrums, also known as the Equatorial Convergence Zone. The axis, or a portion of the broad trade wind of the tropics. This axis is the dividing line â¦ between the southeast trades and the northeast trades, of the Southern and Northern hemispheres converging around the equator.
A fulcrum is the point of tuning for a lever. Since a fulcrum is essential for a lever, it does not help but rather is needed. The lever and fulcrum are used to move or hold o â¦ bjects. Levers can be used change the amount of force needed to alter a system of load, lever, and effort. The position of the fulcrum determines the force needed to change the natural equilibrium.