Makiná

An makiná^[1] usa nga butang nga nagamit hin enerhiya pagbuhat hin mga aktibidades.

• Oberg, Erik; Franklin D. Jones; Holbrook L. Horton; Henry H. Ryffel (2000). ed. Christopher J. McCauley, Riccardo Heald, and Muhammed Iqbal Hussain. ed. Machinery's Handbook (26th edition ed.). New York: Industrial Press Inc.. ISBN 0-8311-2635-3. 
• Reuleaux, Franz; (trans. and annotated by A. B. W. Kennedy) (1876). The Kinematics of Machinery. New York: reprinted by Dover (1963). 
• Uicker, J. J.; G. R. Pennock and J. E. Shigley (2003). Theory of Machines and Mechanisms. New York: Oxford University Press. https://archive.org/details/theoryofmachines0000uick.