Definition of "manpower"

The closure is stated officially to be solely due to the manpower position.

1944 July and August, “Notes and News: Crystal Palace Line Closed”, in Railway Magazine, page 248

Since manpower represents so high a proportion of railway costs, attention by management to the study of work procedures with a view to better utilisation of—"and indeed greater rewards for"—the manpower employed was of special importance, said Mr. Blee.

1959 May, “Talking of Trains: L.M. passenger plan coming”, in Trains Illustrated, page 233