Презентация по английскому языку на тему Микроволновая печь
MICROWAVE OVEN Made by Elena AzarovaLyceum №4Form 10A American engineer Percy Spencer's first patented microwave is an oven. The patent for microwave oven was issued in 1946. THE WORLD'S FIRST MICROWAVE OVEN «RADARANGE» WAS RELEASED IN 1947 BY “RAYTHEON” AND HAd BEEN DESIGNED FOR QUICK DEFROSTING AND was USED EXCLUSIVELY BY THE MILITARY. Its HEIGHT WAS APPROXIMATELY EQUAL TO HUMAN’s Height, WEIGHT 340 KG, POWER - 3 KW, WHICH IS ABOUT TWICE THE POWER OF MODERN HOUSEHOLD MICROWAVE OVEN. IN 1949 IT was STARTED its SERIAL PRODUCTION. The PRICE of the MICROWAVE WAS $ 3,000. In the 60’s every home had a microwave oven. It was used for defrosting or heating food in . Now microwave oven can even cook food. IN THE USSR SINCE THE EARLY '80S MICROWAVES were PRODUCED at FACTORIES. IT WAS CALLED "ELECTRONICS". NOW THERE ARE MANY MODELS OF MICROWAVE OVENS. NO PERSON CAN IMAGINE LIFE WITHOUT IT, BECAUSE IT SAVES TIME. THANK YOU FOR ATTENTION