Pulleys
Titre:
Pulleys
PERSONAL_AUTHOR_EPSB:
Sommaire:
Text and photographs showcase pulleys, from how they work and their various uses in daily life, to the two different types of pulleys.
Date de publication comme intervalle:
2007
SERIES_EPSB:
Description matérielle:
24 p. : ill.
Note générale:
12.00
Table des matières:
Simple machines -- A pulley -- How a flagpole works -- Pulleys are important -- How pulleys work -- Types of pulleys -- Moveable pulleys -- Cranes -- Tower cranes -- Pulleys help us.
Numéro international normalisé des livres (ISBN):
9781424213962
Informations de publication:
Bethany, Mo. : Fitzgerald Books, c2007.
