Spalding, Lee-Anne.

Construction balance / Lee-Anne Spalding. - Bethany, MO : Fitzgerald Books, 2007. - 24 p : col. ill. ; 20 cm. - Construction zone science. .

Includes index.

ISBN: 9781424213818 (hardcover) 1424213819 (hardcover) 9781424214716 (pbk.) 1424214718 (pbk.)

LCCN: 2006940864

Subjects--Topical Terms:
Levers.
Mechanical movements.
Equilibrium.
Stability.
Building sites.