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II. Match the words with the Russian equivalents:

1) mold a) предел прочности при растяжении

2) cavity b) плавить

3) solidify c) литейная форма

4) eject d) вытаскивать, извлекать

5) melt e) полость

6) pour f) прочность

7) extract g) литейная печь

8) foundry h) затвердевать

9) durability i) выбрасывать

10) tensile strength j) наливать

11) expendable k) черные металлы

12) porosity l) списанный в расход

13) shrinkage m) стык

14) interface n) матрица

15) employ o) усадка, сокращение

16) die p) использовать, применять

17) ferrous metals q) пористость

Ш. Look at the groups of words below. Which is the odd one out in each group?

1) a. cavity b. die c. pattern d. mold

2) a. expand b. solidify c. light d. melt

3) a. tin b. wax c. iron d. lead

4) a. wear out b. occur c. break out d. break down

5) a. pour b. solidify c. eject d. provide

6) a. attain b. use c. employ d. utilize

7) a. metal b. sand c. plaster d. investment

8) a. made b. cast c. done d. forced

9) a. withdraw b. withstand c. extract d. break out

10) a. strength b. durability c. shrinkage d. flexibility

IV. What meaning do the following prefixes add? Find another example for each of these prefixes. Share them with the whole class.

subdivided

independent

uneconomical

undercool

pre-existing

predetermined

reform

reusable

nonferrous

non-expendable

V. Find the word in the text that has the similar meaning to the following.

1) die

2) pour

3) chamber

4) happen

5) employ

6) need

7) common

VI. Read the text again. Are the following statements true or false? Correct the false ones with the right information. Discuss your answer with your partner.

1. Casting is a manufacturing process where a liquid is heated to proper temperature, then poured into a cavity.

2. Only simple shapes can be made by casting.

3. The casting properties depend on the cooling rate.

4. The casting process is divided into three main categories.

5. There can’t be defects during solidification.

6. Expendable mold casting includes metal molding.

7. Common casting metal is aluminum.

8. Jewelry is often cast by this method.

9. Expendable mold casting involves using reusable molds.

10. Continuous casting is never used due to high cost.