21.   Low, when we talk about low temperatures, what do we actually mean?

22.   There are other low temperature phenomena which are rather fascinating.

23.   So what really happens as you go towards low temperature?

24.   It turned out that radio astronomy of this kind looked at extremely low temperature regions.

25.   Among her contributions was a formula for clay that could be fired at low temperatures.

26.   And at extremely low temperatures, nickel metal-hydride loses less of its ability to deliver current than lead-acid does, its backers say.

27.   And it must be kept at high pressure and low temperature for the duration of its trip to market.

28.   And low temperatures in Europe may be diverting cargoes of heating oil originally bound for the U.S.

29.   At low temperatures, nitinol has a crystal structure that can easily be deformed.

30.   At such relatively low temperatures, the scientists said, bacterial organisms could conceivably survive and leave traces in the rock.