Mark was at the cinema last night.My cousin lives in Kyiv.It was Sunday yesterday,so they weren't at school.When you are at the theatre you must be quiet.Last weekend I was in the mountains with my cousins.Sorry,Linda is not at home.She is out.The whole day yesterday I was in bed because I was ill.Is there a computer at the study?
Tom:Hi, Jim.
Jim:Hi, Tom! Yesterday at school we studied mass media! You too?
Tom:Yes, it was interesting. What's your favourite mass media?
My favourite media is television because you can only lie on sofa and get a lot of information. More you can take part in different competitions and win prizes for nothing!
Whats your favourite mass media?
Jim:I don't know Tom, I still do not understand. I have to go now, sorry. Let's talk some other time. Bye
<span>Tom: Bye</span>
My robot have got two legs it can walk
My robot have got a friend. It is a clown
The clown has got a funny face and a red nose.
1. How are robots used in manufacturing?
The applications of robots can be divided into three categories: materialhandling, processing operations, assembly and inspection.
2. What is «material handling»?
Material-handling is the transfer of material and loading and unloading of machines.
3. What does a robot need to be equipped with to do loading and unloading operations?
A robot needs a gripper that can grasp parts to do loading and unloading operations
4. What does robot manipulate in robotic processing operation?
The robot manipulates a tool to perform a process on the work part in robotic processing operation.
5. What is the most common application of robots in automobile manufacturing?
The most common application of robots in automobile manufacturing is spot welding of automobile bodies
6. What operations could be done by robot in car manufacturing industry?
In car manufacturing industry robot can perform spot welding, continuous arc welding and spray painting, grinding and polishinging.
7. What are the main reasons to use robots in production?
The main reasons to use robots in production are as follows:
- Robot labour is cheaper than the human one,
- robots are able to perform repetitive operations without mistakes,
- they also can perform operations hazardous or uncomfortable for the human workers,
- robots can work with the workpieces or tools too heavy or difficult to handle for human workers,
- robots can be used on two or three shifts.
8. How can robots inspect the quality of production?
In a typical inspection job, the robot positions a sensor with respect to the work part and determines whether the part answers the quality specifications.
9. What operations could be done by robots in hazardous or uncomfortable for the human workers conditions?
Spray painting, spot welding, arc welding, certain machine loading and unloading tasks.