1.   Ground controllers speculated the irritant may have been loose particles of lithium hydroxide, a chemical enclosed in a small canister in the back of the suit.

2.   Several small canisters, possibly from a cluster bomb, lie on the ground not far from the building, another sign that American planes had bombed the building.

3.   The ashtray is a small canister made of heat-resistant plastic.

4.   The clerk puts the cash or check in what is essentially a small canister and pulls an overhead, spring-loaded lever.

5.   The powderlike substance goes into small canisters, which are sent to the lab.

6.   The starter is a small metal canister with an inert gas and two bimetallic contacts enclosed in a glass bulb.