A Guide to Types of Whatman Filter Paper Grades A device that transmits part of a received signal and rejects the rest. The signal may be in the form of a beam of light or other...

SHOULD YOU BUY PLASTIC PENS OR METAL PENS?   Pens offer a useful and cost-effective way to promote your business, organization or event. Unlike sticky note cards or can coolie, pen...

TURN YOUR KID’S ARTWORK INTO A SCRAPBOOK The kids have only been in school for two months, but the papers and artwork are piling up. Normally I keep a select pieces of artwork and...

Before taking your blood pressure   Find a quiet place. Check to be sure you have the correct size cuff. If you are not sure, or if you have questions, talk to your healthcare prov...

The mechanical seal is used in a pump, mixer and other mechanical engineering scenarios to contain the fluid within a vessel where a shaft rotates through a stationary (or rotating...

The ocean is the origin of life. There are more than 200,000 species of creatures in the ocean, including about 180,000 species of animals and more than 20,000 species of plants. T...

A heat pump is a device that transfers thermal energy between spaces, usually between an enclosed space and the outdoors. When used to heat a building, the energy is transferred fr...

An electric bicycle (e-bike, eBike, etc.) is a motorized bicycle with an integrated electric motor used to assist propulsion. Many kinds of e-bikes are available worldwide, but the...

Fiberglass is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into gl...

In ancient times, The man started using ox and cows for farming. Later machinery and more advanced types of machinery took their place, and the tractor is one of them. The tractors...

Punching machines are developed for high flexibility and efficient metal processing. Normally, the punching equipment consists of two pieces of tool: one for the punches and anothe...

Indoor plumbing has been around for a long time, and the materials used for the pipes have gone through many changes. For decades, metal and ceramic were the most common pipe mater...