Engineering, 28.07.2020 17:01, samymaria1344

A hollow steel composite door with an 18-guage metal facing, hung on butt hinges with nonremovable pins, often with ventilation louvers or glass panels is likely a(n): a) Security class door
b) Maximum security door
c) Average industrial personnel door
d) High security door

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A hollow steel composite door with an 18-guage metal facing, hung on butt hinges with nonremovable p...