Pull the spread immediately. When symptoms appear by
3. Facing to wind on the ground and on the ground while properly
5. Like floating stacked on jumper others.
6. To maintain the correct posture, before turning around 3-5 sec
7 umbrella.Like edit symptoms rotate (spin) is longer than the 10 sec
9. Pull away when qulity measuring, counting, visually indicate the danger (faint)
. 11. Don't rotate under the umbrella 50 feet (back)
15. No umbrella low spirits. Alcohol at least 18 hours before jumping
16.Seizures before jumping to the practice, at least 24 h
18. Study help each umbrella type correctly. Before the jump each time
19. Study used to help in case of emergency quickly assured
20.Folding umbrella with a resolution of up to check carefully correct in principle, without about to jump every again.
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