Even early people took advantage of natural water sources by
… .
A. building water power stations on them
B. establishing their settlements near them
C. providing sufficient water supply for their needs
D. using water without much preliminary treatment
5. A water supply system is a complex of … .
A. engineers
B. engineering structures
C. hydrology and hydraulics
D. water purification plants
6. Too high pressures in a water distribution system increase the oc- currence of … .
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A. 
undesirable impurities and pollutants
B. coagulation, sedimentation, filtration and disinfection
C. a significant mismatch between water supply and water demand
D. leaks and pipeline breaks
Match 1-9 to a-i to form complete sentences.
| 1. Water supply … 2. A water supply sys- tem, or water supply network, … 3. Water acquisition … 4. Water treatment … 5. Conventional water treatment processes … 6. Water transmission … 7. Water storage … 8. A water distribution system … 9. Water sources … | a. … include coagulation and floccula- tion, sedimentation and flotation, fil- tration, disinfection, as well as some additional treatment methods. b. … include underground and surface sources, as well as water accumula- tion and conservation. c. … is a complex of activities intend- ed for the provision of various con- sumers with water. d. … is a complex of engineering structures aimed at providing water supply for various water uses. e. … is an elaborate network of pumps, pipelines, storage tanks, and other appurtenances aimed at delivering adequate quantities of water. f. … is collection of water from a vari- ety of natural water sources. g. … is conservation of water in a vari- ety of water storage facilities for fu- ture use. h. … is purification of water to make it suitable for human consumption or for any other purpose. i. … is transportation of water over long distances. |
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Translate the following pairs of derivatives and memorize them.
Verb – Noun
| to accomplish - accomplishment to accumulate – accumulation to acquire – acquisition to arrange – arrangement to collect – collector / collection to conserve – conservation to consume – consumer / consump- tion to define – definition to deliver – delivery to distribute – distribution to equip - equipment to maintain – maintenance | to neutralize – neutralization to operate – operator / operation to plumb – plumber / plumbing to pollute – pollutant / pollution to press – pressure to provide – provision to pump – pumping to purify – purification to remove – removal to require – requirement to store – storage to transmit – transmission to treat – treatment |
Noun – Verb
|
|
|
| aim – to aim break – to break cover – to cover demand – to demand increase – to increase | leak – to leak mismatch – to mismatch pump – to pump supply – to supply transport – to transport |
Noun – Adjective
| addition – additional convention – conventional desire – desirable / undesirable | hydraulics – hydraulic hydrology – hydrologic industry – industrial |
|
|
Adjective – Verb
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| pure – to purify | soft – to soften |
Verb – Adjective
| to avail – available to elaborate – elaborate | to suit - suitable to vary – various |
Compound Nouns / Adjectives
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