DavidB4-bot
→top: re-categorisation
21:09
VargasMilan
+ cat factors and methods of production
18:40
+47
Ed Poor
purposeful aggregates of matter that, utilizing energy, perform specific tasks - thus living systems are recognized as machines
14:56
+332
SSchultz
fix link
21:07
New page: A '''Machine''' in its most basic definition is a device that allows a person to do work. Simple Machines include the lever, pulley, wedge, screw, inclined plane, and wheel an...
21:06
+535