The phrase "man power" means the physical strength, energy, and effort that men can provide. It refers to the capabilities and capacity of men to do work or tasks. Full definition
Meanwhile, many smaller operators are challenged by a lack of man power, capital, or the systems to compete with the larger regional companies and REITs. (nreionline.com)
That feature in Mega Man Powered Up was great. (kickstarter.com)
He can not give man the power of choice without granting him power to choose evil as well as good. (religion-online.org)