If there ever was a job field that could nearly guarantee job security forever, it would be construction. There are always things that need building -- houses, office buildings, you name it. Construction work will always be necessary to society. Construction work is labeled as an essential business by the federal government as well, so the work almost never stops. However, job security isn't the only appealing thing about the field. Here are the main things that make construction such a great career path.

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Answer to our Trade Knowledge Question: A, UL listed and no more than 8 inches above the walking surface.

Reference: International Building Code 2018, 411.6 Exit Marking - Exit signs shall be installed at the required exit or exit access doorways of amusement buildings in accordance with this section and Section 1013. Approved directional exit markings shall also be provided. Where mirrors, mazes or other designs are utilized that disguise the path of egress travel such that they are not apparent, approved and listed low-level exit signs that comply with Section 1013.5, and directional path markings listed in accordance with UL 1994, shall be provided and located not more than 8 inches (203 mm) above the walking surface and on or near the path of egress travel. Such markings shall become visible in an emergency. The directional exit marking shall be activated by the automatic fire detection system and the automatic sprinkler system in accordance with Section 907.2.1