Having multiple backup systems in place can help prevent single points of failure.

I enjoy trying different single malt whiskies from Scotland.

The company has signed multiple single union agreements with different labor unions.

Single-ply membranes are commonly used in roofing systems.

There are several single yellow lines on the road.

Single-elimination tournaments are exciting to watch.

Single-sideband modulations are commonly used in radio communications.

Single-molecule magnets are used in various applications.

The Texas League singles are highly competitive.

The election used single transferable votes to determine the winner.