11. The partial-pressure ACES " full-pressure suits , which include self-contained oxygen tanks. 12. The water-filled, pulsatile pressure suits were developed to effect venous return. 13. In industrial settings, class A pressure suits are preferred when exposure is possible. 14. Maximum cruise altitude was and the pilots wore full pressure suits . 15. Gleb Kotelnikov invented the knapsack parachute, while Evgeniy Chertovsky introduced the pressure suit . 16. In response, Mongul cracks the face plate of Kered's pressure suit , killing him. 17. Three pressure suits were fabricated for Wiley Post; only the final version proved successful. 18. Young and Crippen wore modified Air Force high-altitude pressure suits . 19. The primary objective of the flight was to test the Mark IV full-pressure suit . 20. It is in one of two systems that feed oxygen into the astronauts'pressure suits .