11.   The thin membrane covering the nutmeat becomes more tannic when dried.

12.   Then take a dull kitchen knife and puncture the thin membrane along the back of the ribs.

13.   Thin membranes are used as a sort of staging for the whole process.

14.   To cut thin membranes, use a paring knife or small kitchen shears, but take care not to pierce flesh or tear skin.

15.   Woodhams inserts a minute tube within the thin membrane covering the eye and deftly implants the new artificial lens.

16.   As the mirror rotated, a system of weights and strings began to pull out the thin membranes, causing the flower-like structure to open.

17.   Cosmonauts Gennady Padalka and Sergei Avdeyev then sent a remote command to unfold the mirror, made of a thin membrane covered with a silver metal layer.

18.   Just over an hour later, they sent a remote command to unfold the mirror, made of a thin membrane covered by a metal layer.

19.   That tissue, in turn, pulls on the highly sensitive dura mater, a thin membrane that covers the brain and spinal cord.

20.   The mirror started rotating, and a system of weights and strings began to pull out the thin membranes on the flower-like structure.