By the purpose the workers are serving, such as furnishing water, providing education, or controlling crime.

W-2 sought to get personal, specifying that each worker serve no more than 55 families at a time.

This conception is distinct from historical working relationships in which a worker served a specific ruler, not an institution.

Often, they do not even deign to feed themselves: the workers serve them food.

In an economy where low-wage workers serve high-wage professionals, food is the most universal of demands.

Their dissatisfactions mirror those of today's patients: too few medical workers serving too many very sick people.

Larger workers also serve as porters, carrying larvae to new bivouacs.

As a result, workers cannot directly serve some 160,000 displaced people there.

And its workers serve lots of pizza in the front of the tiny shop.

Medical workers serve as police units in emergency.