OAKLAND – Expert consultants to the California Department of Transportation proposed a temporary retrofit for a broken-bolt problem, which – if adopted – could permit the new San Francisco-Oakland Bay ...

Not everything in life fits properly when you build it. And lots of things eventually get out of whack in the years after they're built. Fortunately, the time-tested solution is a simple one: You want ...

Use of light-but-durable shims help the Airbus A380 double-decker airliner shed 17.5 lb/plane. The Superjumbo jet will take off weighing more than 1.2 million lb. But every pound carries a premium.

Engineers and manufacturers use precision shims to compensate for tolerance mismatches and tolerance buildup between mating components. Using them significantly reduces manufacturing costs by ...