I wonder why tunnels are round : and other questions about building /

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by Parker, Steve.
[ 01. English Non Fiction ] Series: I wonder why Physical details: 32 pages : color illustrations ; 29 cm. Subject(s): Structural engineering | Earthmoving machinery. | Buildings. | Children's questions and answers. 01. English Non Fiction Item type : 01. English Non Fiction
Location Collection Call Number Status Date Due
Queen Elizabeth Elementary School HC 624 PAR Available

Includes index.

Addresses such questions about building and engineering as what holds up a ceiling, what are the world's tallest buildings, and how much a crane can lift.