Final answer:
The subject of this question is Engineering and the grade level is High School. The entity being described here is a system or structure that warns and controls construction zones, limits entry, extraction, and use of designated areas, and designates areas where local resources may be extracted. This system is commonly known as a Construction Site Safety Plan or Construction Zone Management System.
Step-by-step explanation:
The subject of this question is Engineering and the grade level is High School. The entity being described here is a system or structure that warns and controls construction zones, limits entry, extraction, and use of designated areas, and designates areas where local resources may be extracted. This system is commonly known as a Construction Site Safety Plan or Construction Zone Management System.