Final answer:
A limited access zone is a safety area alongside a masonry wall being constructed to restrict entry and ensure the use of machinery and resource extraction is controlled.
Step-by-step explanation:
The term limited access zone refers to d. A clearly defined area alongside a masonry wall that is under construction. This zone has restrictions on who can enter and what activities can take place within it. Its primary functions are to limit entry, extraction, and use of the designated area, ensuring safety by preventing unauthorized access to hazardous construction sites. It also designates areas where machinery is allowed and where local resources may be extracted, which can refer to the necessary equipment for masonry work.