Shank tugged the cover up and dragged it aside. Dok and Filly began setting up the requisite safety-orange guardrail to surround the open hole and then pulled out the orange-and-red-striped compressor that would pump fresh air into the hole. Rico opened a Sony palmtop computer marked for New Jersey C. L. P., paused to glance around the plaza, then began tapping the palmtop's keys.