joists

"The plumber had to cut a hole in the kitchen floor to fix the pipes, revealing the plywood subfloor underneath. "

"The contractor will ceiling the new classroom walls with plaster before painting. "

"The lumber company needs more timber to build new houses. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The old house creaked as we walked across the floorboards. "

"We prepared the spacecraft for takeoff."

"The teacher nearly missed the important detail in the student's essay, checking it with great care. "

"Construction is underway on the new bridge."

"The arctic fox furred its young with a thick coat of white fur. "

"The bookshelf was arranged horizontally, so the books lay flat instead of standing up. "

"The carpenter built a new wooden bookshelf for my bedroom. "

"Before starting the concrete pour, the construction crew checked the rebar, ensuring it was sufficient furnish for the bridge's structure. "