Worker robots are becoming more popular in industries. Nowadays they can do more difficult jobs in many factories. The use of robots helps factories increase the quality of their products because robots can do the job well for many hours while humans can get tired and bored.

Engineers can make robots more effective and useful at home, at school, and at work.

However, a robot uses on average about 100 more times energy than a human to do the same job. The latest 20 kg robot can lift 2 kg, but a 5 kg human arm can lift 50 kg.

Robots (6) an important role in our life. They have changed people’s lives in many ways. First of all, they (7) time and human labor. Thanks to robots, we don’t have to spends days and months (8) repeated work. For example, to produce French fries, we need human (9) potatoes, wash, then peel, cut them into pieces and finally fry them all. If we have robots to do the task, we will save a lot of time and produce more products. Secondly, robots help to replace human in dangerous work. Now we (10) human to do such work as mining minerals. It’s helpful because there have been lots of people lose their lives in such jobs. However, it’s costly to buy a robot.