"Manual laborers" refers to individuals who perform physical work using their hands or physical strength, often involving tasks that require effort and little or no use of machinery or equipment. Full definition
Working collaboratively, Calhoun and McCormick have documented the demise of manual laborers in the sugar cane fields of Louisiana; the dockworkers and longshoreman on the New Orleans waterfront; the sweet potato harvesters; and the displacement of African Americans after Katrina. (whitney.org)
Around the turn of the 19th century, manual laborers in the agriculture industry suffered from the advent of mechanized farming equipment. (investinblockchain.com)