increasingly common and are readily available on auction sites, online forums and social media. Authenticating products has become more challenging as shoppers are unable to physically inspect items before committing to purchase them. Police warned that criminals are using generic stock images to deceive consumers into believing the items they are browsing are authentic. Fake electrical items have been singled-out by authorities as a particular risk. Imitation hair curlers, dryers and straighteners are not subject to the same vigorous safety tests as genuine items with some units prone to overheating, presenting a fire risk. Meanwhile laboratory tests have shown counterfeit perfume often contains poisonous chemicals including cyanide and even human urine, according to investigators. Fake cosmetics such as eyeliner, mascara, lip gloss and foundation have been found to contain toxic levels of chemicals and harmful substances such as arsenic, mercury and lead
riitele õhust. Kokkuvõte Tänu kuivatusmasinate leiutamisele on inimestel palju lihtsam elu. Paljude jaoks on väga tüütu talvel pesukuivatamine väljas. See oligi üheks põhjuseks, miks leiutati kuivati. Leiutamise algul oli kuivati väga harv nähtus kodupidamises, aga mida aeg edasi seda rohkem neid omama hakati. Kasutatud kirjandus 1. http://www.explainthatstuff.com/how-clothes-tumble-dryers-work.html 2. http://inventors.about.com/od/wstartinventions/a/washingmachines_2.htm
90 percent is converted into heat. In 1879, the average bulb produced only 14 lumens per watt, compared to about 17 lumens per watt today. By adding halogen gases, the efficiency can be increased to 20 lumens per watt. Compact fluorescent bulbs, or "CFLs", have made inroads into home lighting systems in the last few years. These bulbs last much longer and use much less energy, producing significant savings over the life of the bulb. Appliances such as refrigerators, washing machines and dryers are also more energy efficient than they used to be. In 1990 Congress passed the National Appliance Energy Conservation Act, which requires new appliances to meet strict energy efficiency standards. Learn more about energy efficient light bulbs and appliances, and other ways to save energy at home. 2.2 Types of energy used in homes Natural gas is the most widely consumed energy source in American homes, followed by electricity, heating oil and propane
sajandil kaotati orjus, rajati algkoolid, seadusega reguleeriti naiste ja laste tööaeg, poliitikas kadus religioosne tagakiusamine. HOUSEHOLD APPLIANCES The technologies that created the 20th century's laboursaving household appliances were born due to electrification, which brought light and power into the home. Then two major engineering innovations, heat resistance and small, efficient motors, led to electric stoves and irons, vacuum cleaners, washers, dryers, and dishwashers. In the second half of the century advances in electronics yielded appliances that could be set on times and even programmed, further reducing the domestic workload by allowing washing and cooking to go on without the presence of the human launderer or cook. After the World War II the United States had $26 billion worth of factories that hadn't existed before the war, no bomb damage and practically no competition. All that American companies had to do was stop
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