Translate the following sentences paying attention to the infinitive forms of the verbs:

1. The purpose of machine creation is to increase the productivity.

2. It is possible to classify all machines into several groups.

3. The machines are means of production which use the forces of nature to facilitate work.

4. It seems to be convenient to divide all problems of mechanisms’ analysis into two parts.

Translate the sentences paying attention to the Participle II.

1. Mechanisms are widely used in all branches of modern technology.

2. The machine is a device intended for transmission of energy, materials and information.

3. The working machines are subdivided into transport and technological ones.

4. The mechanisms which are included in the structure of a machine can incorporate firm, liquid, gaseous bodies.

5. All problems of the theory of mechanisms can be divided into two groups.

Work in pairs.

1. Imagine that you are at the exam in TMM. One of you is a student, the other one is a teacher. The teacher asks you about the main concepts of TMM.

2. You are a group of students visiting the plant. The mechanical engineer shows you different types of machines. You are interested in them and ask him detailed questions about each machine.

3. Create your own machine. Your task is to make up an advertisement for this machine.