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1. Our scientists Worked out the flood defence system some years ago.
2.You must maintain room temperature at 19C
3.The experimentator will analyse all the data himself.
4.They make these tools of very hard alloys.
5.Scientists grew artificial crystals in special laboratories.
1. Our scientists Worked out the flood defence system some years ago.
2.You must maintain room temperature at 19C
3.The experimentator will analyse all the data himself.
4.They make these tools of very hard alloys.
5.Scientists grew artificial crystals in special laboratories.
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all the data will be analysed by experimentator
2. The room temperature must be maintained at 19*C by you.
3. All the data will be analyzed by the experimentator.
4. These tools are made of very hard alloys by them.
5. Artificial crystals are grown in special laboratories by scientists.