A door carrying a certification from the Underwriters” Laboratories, Inc. that it meets the requirements for a class-A door.
| Architecture: A-labeled door |
A door carrying a certification from the Underwriters” Laboratories, Inc. that it meets the requirements for a class-A door.
| 5min Related Video: A-labeled door |
| labeled | |
| Door jamb | |
| Fluid milk (SIC 2026) (industry) |
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![]() | Architecture. McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
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