Check gear
Meaning: This means to examine the equipment for spacewalks to ensure it is working properly. It's like saying, Astronauts need to make sure their helmets, gloves, and tethers are all functioning correctly.
Choice of Words: Check is a verb that means to examine or inspect something carefully. Gear refers to the equipment or apparatus used for a particular purpose. Here, it implies that astronauts should thoroughly inspect their spacewalk equipment before going outside the spacecraft.
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Related Expressions