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.
Field Blank A field blank is a container of water, quality assured to be free of any of the substances â organic, inorganic or both â that are to be tested for in the real samples. The container is taken into the field and exposed to the atmosphere of the site for a period of time. Trip Blank. A trip blank is a container of laboratory reagent water that is shipped, unopened, to and from the field, with empty and full sample containers. Its purpose is to identify contaminants introduced into samples during transit to and from the laboratory. Laboratory Blank