1 CInvention 1: The new light bulb is made of specialglass that can last 25 years or more. It is green andenvironment-friendly(环保的), and as bright as theold light bulbs, but it costs ￡30.Invention 2: The Donkey Bike has a strong steelbar(钢条)running along it. It can carry ...
This is the outer part of the headlight, also made of glass. The purpose of an automotive diffuser is to protect the headlight from external influences and diffuse and direct its light. Fog lights do not shine straight forward but downward forward. For these reasons, the shape of the diffuse...
glass industry (a 16 billion dollar business employing some 150,000 workers) to building new plants to meet demand.(43)___.But not all the glass technology that touches our lives is ultra-modem. Consider the simple light bulb; at the turn of the century most light bulbs were hand blown...
(3)Which of the following is TRUE according to the passage? A.All kinds of paper can be recycled. B.Used batteries should be thrown into the blue bins. C.The school website has some information about recycling. D.Mirrors and light bulbs can be made into new glass bottles. (4)If you...
3. Switch to energy-efficient light bulbs Most households use standard incandescent (白炽的) bulbs. But compact fluorescent (荧光的) light bulbs, or CFLs, use 66 percent less energy than standard bulbs, produce just as much light, last up to 10 times longer and don't need to be replaced...
27 Anal Sex Positions to Try Tonight A Complete Beginner’s Guide to Anal Sex The Best Lubes for Anal Play, No Butts About It Anal Foreplay Tips for All of You Booty Lovers 25 Products to Try for Amazing Anal Play The 30 Biggest Misconceptions About Anal Sex ...
Not all the glass technology that touches our lives is ultra-modern.Consider the simple light bulb; at the turn of the century most light bulbs were hand blown,and the cost of one was equal to half a day's pay for the average worker.In effect,the most light bulbs were hand blown,and...
Glass Empty bottles without caps(盖子) can be recycled. They can be made into new glass ones. But glass like mirrors and light bulbs(电灯泡) can’t be reused. Paper Newspapers, magazines, boxes must be clean enough to be recycled. But paper napkins and wallpaper are not recyclable, s...
I’m all for being smarter with energy, but I just realized that we have numerous candelabra light bulbs and those are incandescent. A quick search onHome Depotshowed that they are definitely featuring the new LED and CFL bulbs with only a minimal stock of incandescent bulbs. For 3 of my...
c. schools not to use blue light bulbsd. schools to use lights that give off less blue lightA.abcB.abdC.acdD.bcd【4】The last paragraph is mainly about ___.A.how to reduce the use of blue lightB.how to use blue light correctlyC.what blue light is and how it affects usD.why...