Bis forBlow drier
A blowdrier, blowdryer, or hair dryer is a small electric device that blows hot air from one end. It can be pointed at your hair while it is still damp, and the warm air dries your hair. Blowdriers can also be used to make your hair into a new style.
Cis forCalculator
A calculator is a small device that does math for you. Calculators have built-in functions from simple addition and subtraction right through to complex angle manipulation functions.
A camera is a device that is used to take photos, like the ones you see on every page in this dictionary.
A cellphone is another name for a mobile telephone, a small phone that doesn't need to be plugged into a fixed telephone line and can be carried virtually anywhere.