Backbreaking

Man may be freed from backbreaking labor by the products of scientific technology.

It's backbreaking work.

Thirty-year-old Aslima Khan is determined to educate her three daughters. The reason – to ensure they can escape her own life's experience of backbreaking drudgery.

The original Taj Mahal, adorned with Rajasthan marble, Chinese crystal, Tibetan turquoise and silver from Ceylon, was made with backbreaking manual labor over 12 years.

A few keen enginemen, such as Driver Rosewarne of York, could coax good work out of them when engaged in heavy East Coast express service, but to most footplate crews, especially firemen, they were rather heartbreaking and backbreaking machines, and gradually were relegated to secondary or fast goods duties.

Ahead [...] each woman is stooped beneath a backbreaking load of firewood.