30. Flexible Membranes or Thin Film
A. Replace traditional constructions with those made from flexible membranes or thin film.
B. Isolate an object from its environment using flexible membranes or thin film.
Example:
• To prevent water evaporation from plant leaves, polyethylene spray was applied. After a while, the polyethylene hardened and plant growth improved, because polyethylene film passes oxygen better than water vapor.
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