The Left Hand Rule and Right Hand Rule are types of visual mnemonics that were developed by John Ambrose Fleming in the late 19th century. They are used to show the direction of the motion, field and current....

An invoice is basically a bill that lists the goods or services rendered and the cost of those goods or services. A receipt is an acknowledgement that the customer has paid his bill either in full or in part.

Careful is described as exercising or taking care, whereas cautious is described as being careful about avoiding danger or risk. In the real word, being careful is considered as a smart approach, whereas being...

Mrs is used only for married women. Miss is traditionally used only for an unmarried woman. Ms can be used for a woman, regardless of her marital status. It is the default form of address for women.

An argument is basically a verbal non-agreement, an altercation. In an agreement, people put forth their different opinions, and then each person tries to convince the others that viewpoint is correct. A...