| 1.
| structure and functions of cells
|
|
|
| 2.
| production and application of low temperatures
|
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|
| 3.
| antiquities
|
|
|
| 4.
| structure and properties of crystals
|
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|
| 5.
| space travel
|
|
|
| 6.
| heavenly bodies and phenomena in space
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|
| 7.
| origin and nature of the universe
|
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|
| 8.
| origin and development of human race
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|
| 9.
| fingerprints for identification purposes
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|
| 10.
| map-making
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|
