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.
A gel pen uses ink in which pigment is suspended in a water-based gel. Because the ink is thick and opaque, it shows up more clearly on dark or slick surfaces than the typical inks used in ballpoint or felt tip pens. Gel pens can be used for many types of writing and illustration. The general design of a gel pen is similar to that of a regular rollerball pen, with a barrel containing the writing mechanism and a cap, and a reservoir filled with ink.