The phrase "accustomed to laboring" is correct and usable in written English.
You can use it to describe someone who is used to working hard or engaging in physical or mental labor.
Example: "After years of working on the farm, he became accustomed to laboring from dawn until dusk."
Alternatives: "used to working" or "familiar with hard work".
Clearing a patch is tough work, even for women long accustomed to hard labor.
His daughter, the complainant, is a "thick-bodied girl accustomed to strenuous labor".
Democracies grew accustomed to cheap labor and cash from Chinese investment and wealthy Russian oligarchs.
And be realistic, most of us are not accustomed to hard labor.
The French are accustomed to sporadic labor protests, and many had made elaborate preparations for this strike.
Once they're in the database, West has his assistants look through, seeking workers accustomed to hard labor -- those who don't "look soft," he said.
It was a rural camp in eastern Washington run by the agricultural organization 4-H, and while Patrick was a farm boy accustomed to manual labor and callused hands, he found himself hypnotized by the girl's dainty tutu and leotard.
Dairy farmers have become accustomed to cheap, flexible labor, said Jill Lindsey Harrison, a former University of Wisconsin-Madison faculty member who has studied the rise in immigrant dairy workers in Wisconsin.
For a manufacturing giant, the Hyundai deal was a dream: plenty of space for factories, room for worker housing and a population that would work for less than half the wages that Hyundai was accustomed to paying for labor in its Chinese factories (the Hyundai conglomerate that signed the deal still conducts manufacturing operations, although it spun-off the division that manufactures cars in 2001).
Curbing the demand for illegal workers requires stiff workplace enforcement, stringent penalties for hiring undocumented workers, and shared sacrifice from Americans accustomed to benefiting from cheap labor.
