TY  - MANSCPT
AU  - Oxlade,Chris
TI  - Levers
SN  - 978-1-59920-083-5
PY  - 2008///
CY  - Mankato, MN
PB  - Smart Apple Media
KW  - Simple machines
KW  - Levers
KW  - Lifting and carrying
N1  - Elementary
N2  - There are levers all around us - from the seesaw in the playground to the scissors in our homes.  But what are levers, and how do they work?
ER  -