Final answer:
Nylon bristles are the best option for food service cleaning brushes due to their durability and resistance to moisture absorption, which makes them more hygienic and suitable for such environments.
Step-by-step explanation:
When selecting cleaning brushes for a food service environment, it is vital for the manager to consider the properties of the brush bristles especially with respect to moisture absorption and durability. In this context, the best choice would be Nylon bristles.
Nylon brushes have synthetic bristles that are resistant to moisture absorption and have a strong reputation for durability. Compared to alternative options like natural bristle brushes, which can absorb moisture and thus, are not suited for environments where hygiene is paramount, Nylon proves to be superior. On the other hand, plastic bristles might not be as durable, and metal bristles could potentially damage surfaces and are not suitable for all cleaning tasks.
Therefore, for long-lasting, moisture-resistant cleaning tools, Nylon bristles are typically the best option for food service managers looking to maintain a clean and hygienic environment.