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Captions:
Note how easy it is to manipulate this suited crewmember.
Again, the key is having good foot restraints.
Though Earth-heavy objects are easy to move in space, doors and hatches may not be.
It took real effort on this standard airlock hatch to break loose the stuck pressure seal.
While the crewman is having no trouble wrestling
the heavy equipment he has only one free hand and the checklist is difficult to manage and keep open at the right place.
Space Station designers and engineers should recognize that in space, papers,
checklists, wires, and all other poorly restrained items become severe
annoyances.