laboriosamente

adv. busily, in an industrious manner

adv. industriously, laboriously

= industriously, laboriously.
Ex: For years past, the harpies of power have been industriously inculcating the idea that all our difficulties proceed from the impotency of Congress.
Ex: First, 45 or 50 percent of that file consists of Library of Congress MARC records, the integrity of which is laboriously insured by manual methods.