I Wonder Why : Tunnels are Round and other questions about building

Parker, Steve

Series: I Wonder Why
Notes
Fascinating facts about people, places and animals.
Contents
Contents cover : tunnels; welding; bricks; rivets; cranes; space station;
Location edition Bar Code due date
Non-fiction A00052808
Dewey:Buildings & Engineering
ISBN:185697314X
pub:1994
Subjects
construction