Simple Machines
http://www.edheads.org/
 
http://www.sheppstc.org.au/stcweb/education/simple_machines/SIMPLE%20MACHINES.pdf
 
http://www.sheppstc.org.au/stcweb/education/puzzles/puzzles.htm
 
Wayne
March 2006
 

Index

Wayne at R-7school info
Updated March. 2006
Comments or additional links to :- wrschoolatfastmail.fm