Вопрос № 110330 - Английский язык

A new material as nylon has been accepted. It is material for the manufacture of bearings and runners of all sizes in many types of machines, earth-moving equipment and agricultural machinery due to its fundamental characteristics of low friction and good wear resistance. Nylon is a very versatile material and is capable of overcoming a wide range of difficult problems. It will operate satisfactorily without lubrication in an abrasive atmosphere. One of its features is that nylon functions under water or is immersed in any other liquid. Being non-toxic nylon is frequently used in food machinery. Nylon gears usually do not require lubrication, they are shock-resistant, do not deform permanently and – running in train with metal gears – they outlast them.
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When will nylon operate satisfactorily without lubrication?
Варианты ответов
  • It will operate satisfactorily without lubrication in food machinery.
  • It will operate satisfactorily without lubrication when it is immersed in any liquid.
  • It will operate satisfactorily without lubrication in an abrasive atmosphere.
  • It will operate satisfactorily without lubrication under water.
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Вопрос задал(а): Анонимный пользователь, 26 Май 2016 в 09:05
На вопрос ответил(а): Астафьева Любовь, 26 Май 2016 в 09:05