Q: yeh, i kno that no1 knos for sure.... but wats ur query? aliens?? ^^ all comments welcome hey! UGLY MIND! get a life will yooh. only incredebly studip people would and kno is an abreviation for 'know' not so smart ayyee? lmfao lamo
A: i'm pretty sure slaves used simple machines. lever, pulley, inclined ramps.. those sort of things.