mechanics
Laborers or mechanics(1) Means (i) Workers, utilized by a contractor or subcontractor at any tier, whose duties are manual or physical in nature (including those workers who use tools or who are performing the work of a trade), as distinguished from mental or managerial; (ii) Apprentices, trainees, helpers, and, in the case of contracts subject to the Contract Work Hours and Safety Standards statute, watchmen and guards; (iii) Working foremen who devote more than 20 percent of their time during a workweek performing duties of a laborer or mechanic, and who do not meet the criteria of 29 CFR part 541, for the time so spent; and (iv) Every person performing the duties of a laborer or mechanic, regardless of any contractual relationship alleged to exist between the contractor and those individuals; and (2) Does not include workers whose duties are primarily executive, supervisory (except as provided in paragraph (1)(iii) of this definition), administrative, or clerical, rather than manual. Persons employed in a bona fide executive, administrative, or professional capacity as defined in 29 CFR part 541 are not deemed to be laborers or mechanics.