BOSTON – BOSTON (AP) — A one-ton metal coupling blamed for a water main break that left nearly 2 million Massachusetts residents under a boil-water order last month has yet to be found, and searchers ...
A new coupling makes it simpler to connect shafts. Heavy-duty shaft couplings traditionally have used keyed connections that were over-engineered in terms of stiffness. That’s because engineers ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results