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What is the paragraph mainly about?
LED lighting and its advantages.
What does LED lighting use less of than normal lighting?
Electricity
How long does a normal light bulb last?
About 5,000 hours.
How long does an LED light bulb last?
Around 100,000 hours.
What percentage of electricity do LED bulbs change into light?
80%
What percentage of electricity do normal bulbs change into light?
20%
Why are LED lights better for saving energy?
They use less electricity and produce more light.
What is one disadvantage of LED lights?
They are more expensive to buy.
Why don’t people have to change LED lights every year?
Because they last a long time.
What happens as a result of using LED lights for a long time?
They are cheaper over time.
Which word shows the first idea?
Firstly
Which phrase gives an example?
For example
Which connector adds more information?
In addition
Which connector shows a contrast or difference?
However / On the other hand
Which connector shows a result?
As a result
