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Workers, he said, should wear protective clothing, including coveralls, gloves and “and very important ... eye protection and also respirators indoors.”

And, perhaps above all, run more candidates who’ve gotten dirt under their fingernails, mud on the soles of their boots or grease stains on their coveralls.

Outfitted in head-to-toe coveralls, with oversized safety glasses and hard hats, they’re reminiscent of the worker bees in the movie “Minions,” but color coded by function: Blue for maintenance.

Before any work on the spacecraft begins, Barajas and his colleagues have to don the white protective coveralls known as bunny suits.

“Before beginning the removal, wear a disposable coverall with a hood and a respirator,” Walters advises.