Work done by the job instead of by the day; work done to order, or to fulfil an engagement.(noun)
In printing, specifically, a class of miscellaneous work, generally requiring display or ornamentation.(noun)
The Century Dictionary (Public Domain)
Use "job-work" in a sentence
"Lot of stuff to digest . . . but now I have job-work to do."
"He continued therefore his usual job-work for the booksellers, writing introductions, prefaces, and head and tail pieces for new works; revising, touching up, and modifying travels and voyages; making compilations of prose and poetry, and “building books,” as he sportively termed it."
"And forthwith he and the other entered into a disquisition about the job-work."