The blouson jacket is worn by several police forces due to its sturdy design and heavy insulation.
Then, because of the extremely heavy insulation, it's difficult for any sound to penetrate from outside.
Despite its heavy insulation, the hose was stiff with a rime of frost.
They were chosen over several other designs primarily for the sturdy construction, and the heavy insulation needed in extreme cold temperatures.
The one ultimately appointed enjoys heavy insulation from politics: its revisions take effect automatically unless Congress acts.
Torch leads also can be protected by a leather sheath or heavy insulation.
The jacket has also caught on with several police departments across the United States for its sturdy design and heavy insulation.
Making the booth much larger would have meant heavy insulation all around, though, or the risk of affecting the computer.
He cleaned it carefully, then wrapped it in heavy insulation.
Besides heavier insulation, a common tactic has been to let in less fresh air, which needs to be heated or chilled to the right temperature.