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water table – підкронблоковий майданчик
wheel – зубчасте колесо; колесо; барабан
wind load – вітрове навантаження
withdraw – витягнути, вийняти
yard – майданчик; склад відкритого зберігання
yield point – межа текучості
АРІ – Американський Нафтовий Інститут (АНІ)

Exercises

Exercise 1.Translate the following words into Ukrainian
derrick floor –
transfer –
capacity –
velocity –
deadline –
post –
stable –
truck –
drawworks –
yield –

Exercise 2. Fill in the gaps
1. Many manufacturers have discontinued ____________ of
conventional derricks.
2. There are nine API sizes of ____________ derricks.
3. A safety platform is usually placed around the
___________ which conforms to the various safety codes.
4. Practically every derrick _____________ makes some
derricks which are outside the API standard dimensions.
5. The safe working capacity changes when the __________
is anchored in different positions.
6. The stresses in various ___________ can be determined
from these loads.

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