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CONTEXT


               PURPOSE  AND  TASKS  OF  LABORATORY  WORKS.
           SAFETY RULES……...……………………………………...……..3

           Laboratory work № 1…………………………………………...…   6

           Laboratory work № 2………….……………………………….....…9

           Laboratory work № 3.....................................................................13

           Laboratory work № 4....................................................................18

           Laboratory work № 5…..…….…………………………………….23

           Laboratory work № 6.....................................................................28

           Laboratory work № 7…………………………………………….32

           REFERENCES..............................................................................................36













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