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.
As you write, tiny amounts of this metal are deposited onto the page. The silvery markings may resemble pencil, but they are permanent and smudge-proof. Because it doesn't require sharpening or refills, the Inkless Metal Pen is an amazing gift for artists or doodlers. Its ink is solid, so it will never leak, and it can be used upside down or under extreme conditions.