Benefits Of Pesticides. 1  Benefits Of Pesticides Pesticides can more commonly be called as crop protection products and is used to describe substances that are used to control organisms that cause diseases. If not controlled they cause damage to animals, plants and property.
Best Answer: A pen blank is a piece of wood, acrylic, or whatever that has a long center hole drilled in it. Then a person can carve or use a lathe on the outside to make it into a pen. They add the insides of a ballpoint, gel, or ink pen to it and voila--a custom pen!! : P.
Ballpoint pen is a pen that has, as its name says, ball at its point which rotates when dragged across the writing surface and leaves behind ink that comes from the reservoir of the pen. Ball at the point can be of different diameter and can be made of brass, steel, or tungsten carbide.hey combined viscous ink and ball-socket mechanism to make a ballpoint pen that would not allow for an ink to dry out in pen but it would still leave the mark behind when used. The first working ballpoint pen was presented at Budapest International Fair in 1931. They filed for patents in France and Britain in 1938.