All this was achieved without gaining any additional manpower within a period of 15 months.
en.wikipedia.org The whole process of drying the complete season catch may have taken a month or two as space and manpower permitted.
en.wikipedia.org However, manpower was still needed in large amounts, and waterfronts were the hotbeds of the industrial actions of the early 20th century.
en.wikipedia.org When used as a noun, supernumerary means a temporary employee, additional society member, or extra manpower, usually in a function which has a temporary contract.
en.wikipedia.org His contributions included the establishment of, and contributions to, various civic and professional organizations concerned with business, industry, manpower, research, health, education and welfare.
en.wikipedia.org