1.   Never toss them in a public trash container.

2.   Public trash cans have been sealed, metal detectors installed and bag checks made common.

3.   Usually, the Sanitation Department hauls only residential refuse along with waste from public trash baskets on the street.

4.   A police spokesman said the bomb was hidden in a public trash bin near a bus stop that serves a nearby army base.

5.   To supplement their food supplies, family members scour through public trash cans.