Aluminum ladder is one of the "ladders". Ladders are made of different materials, rope, wood, bamboo, steel and also the aluminum. Among these ladders, I prefer to aluminum ladder. Someone said that the aluminum ladder is heavier than wood one, more fragile than steel one, while you can consider the problem on the other hand. Aluminum ladder is lighter than steel ladder and stronger than wood ladder. What's more, aluminum ladder needn't other special care.
Ladder is not a new invention, just as Wikipedia describes "A ladder is depicted in a Mesolithic rock painting that is at least 10,000 years old.". With the technological development, aluminum ladder occupies a large place in the ladders market. Aluminum ladder has many types, like aluminum extension ladder, aluminum step ladder, and aluminum library ladder. All of them are very popular. Of course, there are some famous brands of aluminum ladder, like Werner ladder which is famous all around the world.
Though aluminum ladder is a good assistant to our life, we must be careful to use, or you will hurt, even die because of it. There is a words said that "every coin has two sides." Aluminum ladder is not an exception. Aluminum ladder safety is most important, so do other ladders. So pay attention to using the ladder, this can save you life.
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