“Hold this,” she said, slapping the yellow putty into his palm and turning to the hyperbaric chamber. Then she stopped and turned back. “While you’re holding that, don’t make any sparks.” Belisarius moved to put whatever this was on the workbench behind him. “It doesn’t like metal either,” she said. “Just hold onto it. And don’t squeeze it or sweat. It doesn’t like pressure or salt.”
