Your own servants have been principally engaged in the affair.

He set up a civil engineering practice, principally engaging in work for railway companies.

They are principally engaged in farming and business activities.

The company and its subsidiaries is principally engaged in the residential construction industry.

Initially his company was principally engaged in general mechanical and machining work.

He was principally engaged in agricultural pursuits and sheep raising.

"Socially it was extremely pleasant, the majority of the members being principally engaged in amusing themselves."

The citizens of Rhine are principally engaged in lumber and agriculture.

Residents of San Carlos are principally engaged in livestock and agriculture.

Based in Bryan, Ohio, the company is principally engaged in two lines of business.