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3. imperfections of atmospheric conditions;
4. errors in measurements;
5. to apply imperfection in manufacture;

6. to make in practice;
7. Random mathematical rules;
8. due to surveying;

9. variations in to counts;
10. the effects of the same conditions;

11. errors of the environment;

12. Under constant character.

Task 3. Find verbs in the text that means the following:

1) to describe the nature, properties, or essential qualities of
something ___________ (text 1, paragraph 1);
2) to determine the size, amount, etc._________ (text 1,

paragraph 3);
3) to make free from errors ___________ (text 1, paragraph 5);
4) to carry out or do (an action)__________ (text 1, paragraph 5);

5) to set down in some permanent form so as to preserve the true
facts of_________(text 1, paragraph 6);
6) to happen; take place; come about________(text 1, paragraph
10);

7) to define____________(text 2, paragraph 1);
8) to know and comprehend the nature or meaning of

something__________(text 2, paragraph 9);
9) to work out the structure or form of
(something)_____________ (text 2, paragraph 12);
10) to carry out (instructions or orders); comply with

(demands) ________(text 2, paragraph 14).

III. GRAMMAR REVIEW

Task 1. Choose the correct preposition. Translate the

sentences into Ukrainian.

1. A systematic or cumulative error is an error that, with/under the
same conditions, will always be of/from the same size and sign.
2. Precision is a measure of/for repeatability.
3. All survey measurements are subject to/at external factors.

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