Week 3 Step 2 Gadgets of the Present

1. Microwave oven (or microwave oven, microwave obsolete accent) - household appliance, designed for fast food or quick-heating food, thawing food and heating materials (adhesives) for production purposes. Usually operates at a frequency of 2450 MHz, although in some industrial furnaces frequency of the radiation may vary.

2. Laptop (notebook, notebook PC) - a portable personal computer, in the case which combined the typical PC components, including display, keyboard and pointing device (usually a touch pad or touch pad), handheld computer, as well as batteries. Notebooks is small in size and weight, battery life of laptops varies from 1 to 15 hours.

3. Dishwasher - an electromechanical device for automatic dishwashing. Used both in catering establishments, as well as at home. Dishwasher is connected to electricity, water and sanitation.

4. Fridge - a device that maintains a low temperature in a thermally insulated chamber. Usually used to store food or items that require storage in a cool place (drugs, cosmetics). Household refrigerator is almost every family in developed countries. Work refrigerator based on the use of heat pump, which transfers heat from the working chamber of the refrigerator outside, where it is dissipated into the environment. There are also industrial refrigerators, the volume of the working chamber which can reach tens or hundreds of cubic meters, they are used, for example, in catering, meat processing plants, industrial production.

Refrigerators can be divided into two types: medium-temperature chamber for food storage and low temperature freezers.

5. Hair dryer - electric appliance, permitting a directed flow of heated air. The most important feature is the ability to supply a hair dryer heat exactly in the specified area. Origin of the word hair dryer is connected to the German mark FOEN, registered in 1941 and refers to a warm Alpine wind dryer.