Black & Decker offering) -- CHALKDUST (43D Classroom sneeze elicitor); DUSTMOP (62A Janitorial tool) -- ENDUST (57D Cleaning product with the slogan “It’s that fast!”); STARDUST (63A Big band era standard ) BITTHEDUST (2D Went kaput) -- Illustration from "Dante's Inferno" by Gustav Dore Squeezing one word, albeit small, into one