Simple machines in the military

Introduces simple machines and examines which ones may be found in the military.

PowerKids Press
2015
9781477768334
book

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
125895249337022313423802589337HFLP268HFLP000629629.8 Gos629.815814652241736518457