Manual labor
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Labor performed by hand or by the exercise of physical force, with or without the aid of tools and of horses or other beasts of burden, but depending for its effectiveness chiefly upon personal muscular exertion rather than upon skill, intelligence, or adroitness.
See Lew Jim v. U. S., 66 Fed. 954, 14 C. C. A. 281; Martin v. Wakefield, 42 Minn. 176, 43 N. W 966, 6 L. R. A. 362; Breault v. Archambault, 64 Minn. 420, 67 N. W. 348, 5S Am. St Rep. 545.