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  1. Find the words hidden in the jumbles.

  1. the work needed to keep a road, building, machine, etc. in good condition

TENICENANMA

  1. to collect a large number of things over a long period of time, to gradually increase in number or amount

TO MUTECULACA

  1. a force which acts to stop the progress of something or make it slower

TASIRENCES

  1. the system of water or waste liquids flowing away from somewhere into the ground or down pipes

DINARAGE

  1. slowly damaged by something such as rain or water

TO RODECOR

  1. Match each column of the English words with its Ukrainian equivalent.

clay

non-conventional

accumulate

reliable

concept

simultaneously

environment

allowable

train

smelt

impact

efficient

manifold

prevention

cleaning

suitable

drive train

maintenance

vehicle

luxurious

output

responsiveness

overtaking

emissions

надійний

незвичайний

глина

накопичувати

дозволений

одночасно

концепція

навколишнє середовище

ефективний

плавити

система передач

удар

підходящий

запобігання

колектор

чищення

розкішний

технічне обслуговування

передача

транспортний засіб

шкідливі викиди

слухняність

вихід

обгін

  1. Translate these sentences into Ukrainian. Find the Infinitive and state its function.

  1. We had to stop to fill up the car.

  2. To improve corrosion resistance reinforcement and fender are preferably separated to a maximum allowable distance.

  3. He demanded to be told everything about the accident.

  4. Large openings around headlamps are preferably avoided or shielded to prevent erosion corrosion.

  5. Splash shields and aprons often serve to protect fender, dash panel, lamp housings and wiring.

  6. Marginal vehicle cleaning and maintenance cause corrosion cells to accumulate and thrive.

  1. What are your predictions for the next ten years for instruments and switches of the car? Prepare a short report or presentation.

  1. Do you think the materials are clever, fashionable or formal? Read the text about ‘Smart materials’ and check.

SMART MATERIALS

Smart – or shape memory – materials are an invention that has changed the world of engineering. There are two types of them: metal alloys and plastic polymers. The metal alloys were made first and they are usually an expensive mixture of titanium and nickel. Shape memory materials are called ‘smart’ because they react to changes in their environment, for example:

  • Plastics that return to their original shape when the temperature changes. One use is in surgery where plastic threads ‘remember’ the shape of a knot, react to the patient’s body temperature and make themselves into stitches.

  • Metal alloys that have a ‘memory’ and can return to their original shape. They are used in medical implants. More everyday uses are for flexible spectacle frames and teeth braces.

  • Solids that darken in sunlight, like the lenses in some sunglasses.

  • Liquid crystals that change shape and colour. These have been used in climbing ropes that change colour if there is too much strain and weight on them.

The future of these materials and their possible uses is limited only by human imagination. One clever idea is that if cars were made of smart metal, a minor accident could be repaired by leaving the car in the sun!