Question

professionals who are in charge of managing the upkeep of a certain building, such as a manufacturing plant, an office building, or an apartment complex
a. security personnel
b. janitors
c. building superintendents
d. maintenance supervisors
tradespeople who keep buildings clean and well - maintained and carry out tasks including cleaning floors, restrooms and

Explanation:

First Matching (Professionals managing building upkeep)

The description is about professionals in charge of building upkeep. "Building superintendents" (option c) are responsible for managing the maintenance and upkeep of buildings like manufacturing plants, office buildings, or apartment complexes. Security personnel (a) focus on security, janitors (b) do cleaning/maintenance tasks but not the overall management of building upkeep, and maintenance supervisors (d) supervise maintenance work but the term "building superintendents" more directly matches the role of managing a building's upkeep.

The description is about tradespeople who clean and maintain buildings, doing tasks like cleaning floors and restrooms. Janitors (option b) are workers who perform cleaning and maintenance tasks in buildings, which matches this description. Security personnel (a) handle security, building superintendents (c) manage building upkeep (more administrative/management), and maintenance supervisors (d) supervise maintenance, not the direct cleaning tasks described.

Answer:

c. building superintendents

Second Matching (Tradespeople keeping buildings clean)