Task 15. Use the words and word combinations in the box to complete the text.

Date: 2015-10-07; view: 442.

Point-to-point positioning can be performed in single-1) … or multiaxis systems with servo­motors in closed loops or stepping motors in 2) … loops. X- Y tables and milling machines position their loads by multi-axis point-to-point control. Sequencing control is the control of such functions as open­ing and 3) … valves in a preset sequence or starting and stopping a conveyor 4) … at specified stations in a specific order. Speed control is the control of the velocity of the motor or actuator in a 5) … . Torque control is the control of motor or actuator current so that torque remains constant despite load changes. Incremental motion control is the simultaneous control of two or more 6) … such as load location, motor speed, or torque.

Task 16. Watch the video and write an essay on the topic “If I were head of Metal ManufacturingCompany (MMC) I would…” . Use information below if necessary.

Essay Writing 1.Introduction ( In this part you generate ideas about the topic to be developed and introduce the problem with some comments. The introductory paragraph should capture the interest of the readers and the main statement should come at the end of the paragraph.). 2.Development (The main part presents, describes, explains, defines, analyses, exemplifies, classifies or discusses the controlling ideas avoiding repetition and using the structure as follows – main idea + some examples with supporting details. This part is longer than the introduction.). 3.Conclusion (In the final paragraph there is a summary of the main points given above with your own opinion and decisions. We can use some techniques to conclude our essay, i.e. – summaries ideas, make a prediction, ask a question or suggest a solution). An internal part of the writing process is ending.it is an important kind of activity to reveal weaknesses and eliminate them. When ending read your essay slowly aloud because your mistakes are easily heard than seen, so read aloud with the exact emphasis. During the first reading analyze the structure of the article and while reading for the second time follow how controlling ideas are being developed by using grammatical structures.