Из пассивного залога сделать активный 1. Many shapes had to be manufactured at a relatively high cost. 2. Different kinds of steel will have to be used in making blades. 3. High carbon steel may be hardened by heating it to a certain temperature and then quickly cooling in water. 4. Vanadium steel can be used for springs. 5. Larger drills could be used in that machine.

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Елизавета Короткова

Английский язык

18 июня, 10:02

Из пассивного залога сделать активный 1. Many shapes had to be manufactured at a relatively high cost. 2. Different kinds of steel will have to be used in making blades. 3. High carbon steel may be hardened by heating it to a certain temperature and then quickly cooling in water. 4. Vanadium steel can be used for springs. 5. Larger drills could be used in that machine.

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Алиса Иванова · Answer 1

1. We had to manifacture many shapes at a relatively high cost. 2. We will have to use different kinds of steel in making blades. 3. We can harden high carbon steel by heating it to a certain temperature and then quickly cooling in water. 4. We can use vanadium steel for springs. 5. We could use larger drills in that miachine.