80词英语作文

refrigerators

The refrigerator has changed our lives in many ways. Life has been made easier by the development of the refrigerator. Instead of spending time salting and drying the meat, men can now be working and making money. Preparing meals is easier with all the food so close at hand. Refrigeration has improved sanitation. Consumers can be more confident when purchasing their food after it has been properly refrigerated in a grocery store. With the invention of the freezer, food can now be stored and saved. Less food is wasted when you freeze it for a different day.

Computer

As we all know, the computer is a marvelous machine. It has all kinds of types. Nowadays most computers have a memory processor in which information can be stored and be taken out at any time.

The oldest kind of computer is the abacus. It was used in China long agoi The first modern computer was very large and expensive, but now scientists already have be