Complete the sentences with the words from the list below.

predetermined rectangular

needles pipes

emergency bulkheads circular

a hoist water

spillway temporary

channel sluiceways

1. Additional storage of ... above the ... crest can be obtained by the installation of ... or movable gates.

2. The logs may be raised by hand or with ... .

3. Flashboard gates are removed when water surface reaches a ... level.

4. ... consist of timber with their lower ends resting in a keyway on the spillway crest and their upper ends supported by a bridge.

5. Needles are used mainly for ... where they need not be replaced until flow has stopped.

6. The water may be discharged into the ... below the dam or may be transported in ... or canals to some distant point.

7. The outlets consist of one or more ... .

8. Sluiceways may be ... or ... in shape.

Using the dictionary add as many words as possible into the table.

Verb Noun Adjective
1. installation  
2.   movable
3. determination  
4. to leak    
5. requirement  
6. to enter    
7. regulation  
8.   wide
9.   narrow
10. variation  

Fill in the necessary prepositions.

1) to consist ___ smth.; 6) to be discharged ___ smth.;

2) to place ___ smth.; 7) to be transported ___ smth.;

3) to be required ___ smth.; 8) to be provided ___ smth.;

4) to be used ___ smth.; 9) to be ___ about minimum level;

5) to be supported ___ smth.; 10) to give attention ___ smth.

19. Fill in the table writing out from the texts A and B the adjectives with the suffixes –al, -ant (-ent), -ible (-able), - er, -en. Then choose any five items and make your own sentences.

-al -ant, -ent -able, -ible -er -en