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Add these sentences with correct variant according to the text. Using as a plan speak briefly about Water Supply
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1. An adequate supply of pure wholesome and palatable water...
a)...is especially true of towns situated on large inland lakes or rivers, b)...is essential for the maintenance of high standards of health, c)...may be taken from any source of water, d)...should be protected from contamination by filtration.
2. There are cities whose geographical location...
a)...makes water pass through a very interesting cycle of treatment, b)...requires elaborate systems of water supply.
c)...makes the problem of water supply very difficult.
d)...calls for modern systems of water treatment.
3. The earliest settlers took advantage of natural water sources by...
a)...building water power stations on them, b)...establishing their colonies near them, c)...providing sufficient water supply for their needs, d)...using water without much preliminary treatment.
4. Due to man's vast activities at the present time... a)...various systems and methods of water treatment arerequired, b)...water must be obtained in unlimited quantities, c)...many inland lakes cannot be used as sources of water supply, d)...splendid sources of water supply are drilled wells.
24. Fill this table due to points of the topic Sanitary engineering
| Panel Heating | Air conditioning, Ventilation, Gas supply | Water supply |
To provide a required atmospheric environment within a space; to evaporate into atmosphere; to imply the control of temperature, humidity, purity and motion of the air in an enclosure; vast depressions; to produce a desired temperature for maintaining comfort, health or efficiency; to provide a splendid source of water supply; to provide means for performing all the processors required air conditioning; to prevent loss of heat; for domestic and sanitary purposes; sewage disposal system; control of air purity in various degrees; the transmission of energy; conduction and convection; to require cooling and dehumidifying; central industrial process requirements and human comfort; boilers and a system of pipes connected to radiators; to undergo a preliminary treatment to assure purity; to carry away excess heat and odors; leakage of air; to circulate through distribution units embedded in the building construction; to disseminate from panels; a clean, convenient, economical source of heat.
25. Using information from the texts and this table compose a dialogue “Service engineers “ for three persons. Discuss process of equipment of any new-built structure with all modern conveniences
Make a written report about one of the type of Sanitary Engineering describing step-by-step arrangement of your project with this convenience
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