There ___ a light bulb and a screwdriver in the drawer.A.is B.areHow to choose,translate and why?Thanks. 答案 1有些固定搭配虽有and连接,但是英语中当做单数看待,比如马(and)车,刀(and)叉,黄油(and)面包等等,但是这个句子中的bulb和screwdriver 并无此用法.2There be结构遵循“就近原则”,即be的...
We know that good lighting design can greatly improve a building or even its occupant's productivity. And poorly designed lighting can ruin it or negatively affect its occupants. To help out, we've gathered some information that can help you the next time a light bulb burns out in your ...
Choose a bulb with the same wattage as the old one unless you want a differently lit room. Check the label on the bulb socket or fixture for the maximum wattage/ampere rating. Make sure the bulb is rated for no more than the lighting fixture allows (check with the manufacturer or ...
Choose the bulb type (LED, halogen, fluorescent, incandescent.) Calculate how many lumens your type of bulb can create per watt. Choosing the correct wattage of a light bulb might be confusing. There are many parameters and variables to consider. What wattage is enough to create as much ligh...
There are many LED light bulbs 3- way on the market to choose from, but the cost of these bulbs is relatively high, and the price is a bit more expensive than ordinary ones. They can make up for the upfront cost by using less energy and having a longer lifespan....
Picking the right bulb The easiest way to figure out what bulb you need is by using an incandescent/LED conversion cart. Say you normally use a 60-watt incandescent bulb, for example. You would probably want to choose an LED bulb that uses 8 to 12 watts and has a lumen rating of 800...
Energy-efficient light bulbs are a great way to save money on your energy bill, not to mention keep your bulbs lasting longer.
No, this is not a joke. When our house was built 3 years ago we had The Villages add overhead lights to the fans in the 3 bedrooms. One of the lights
6. Choose the right type of light bulb When you're buying new bulbs – no matter the type – you'll want to look for the Energy Star label. Energy Star-certified light bulbs are tested to meet energy efficiency standards, and the label will tell you exactly what you're buying. The ...
Up until recently, we knew two things about light bulbs. Thomas Edison invented the light bulb. When buying a bulb one can either have a white light or a