A tool is usually more simple than a machine it is generally used with the hand, whilst a machine is frequently moved by animal or steam power.
Charles Babbage
Charles Babbage
Jeff Goodell
Charles Babbage
Jeff Goodell
Jean Baudrillard
Tony Blair
Sherri Shepherd
Tony Blair
Jeremy Renner
Sherri Shepherd
Thomas Malthus
Nathan Fillion
Muqtada al Sadr
Nick Rahall
Jeff Goodell