According to their manufacturers` best count, there are as many as 5,000 varieties of nails (assuming a 1-inch and a 1 1/4-inch common nail, for example, count as different varieties). Most of us ...

When you think of machines you see around you every day, you probably think about your car, computer, or household appliances. However, the world is full of simple machines. One simple machine in ...

T hey hold our empire together as well. The types of nails used in modern construction almost defy counting. They include box nails, common nails, finishing nails, casing nails, brads and sprigs, to ...