Пища для ума. Коломейцева Е.М - 45 стр.

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45
peroxide. The temperature of these cleaning fluids is 80°C to 85°C (about
180°F).
Concentrated chemicals purify the liquid obtained after cleaning so it can
be used at the beginning of the cleaning cycle.
Most dairies pre-treat their wastewater themselves. They make use of the
fact that their wastewater is alternately acid and alkali. They pipe it into large
tanks where the liquid neutralizes itself during a complete cycle. When the tank
content reaches an acceptable pH value it discharges into the communal drains.
Other materials to treat the wastewater are sometimes added in these neutralizing
tanks. Large dairies find it necessary to treat their wastewater to avoid over-
loading the communal installations.
T a s k T w o . Read the article and choose the appropriate beginning
phrase:
A. Russia’s dairy industry
B. Analysts note
C. The first Russian company
D. The bulk of raw milk
E. There are three types
F. Animal milk
G. The fat and protein content
H. The market research department
I. The head count of
J. Analysts believe
K. Dairies
L. However
M. Dairy farming
N. Each dairy
O. The dairy industry
THE RESEARCH OF COMPANY “I & A”
1. … is 80% to 87% water and 13% to 20% dry substances such as pro-
tein, milk sugar and minerals in varying proportions depending on milk type.
The most widespread kind of milk is cow milk. Consumers generally evaluate
milk by its fat content, but protein content is just as important. Fat and protein
are the definitive parameters of milk quality and grade. Producer-to-dealer price
of milk will be determined by these key criteria (e.g. the milk supplied to Ehr-
mann contains 3.4% of fat and 3.2% of protein).
2. … in milk depends on a range of factors. It is a matter of genes and cat-
tle breed. The milk of the twelve main breeds of cow raised in Russia contains
3.63% to 3.99% of fat on average. The level of cattle care, feed, animal health
and age also predict milk quality. Fat and protein content is not the only indica-

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