What is a common use of the funds in a 'Kitty'?

The correct answer pertains to the common social practice associated with a 'Kitty', which typically refers to a pooled fund created for social and communal activities within a group. In this context, it is often used to cover minor expenses that enhance camaraderie among team members, such as getting snacks and refreshments during breaks or gatherings. This helps boost morale and provides a sense of community among firefighters or any team engaging in demanding work.

The other options, while they involve important expenditures related to firefighting, do not align with the primary purpose of a 'Kitty.' Purchasing uniforms or covering costs for equipment involves more formal budgeting and structured financial management, as these items are critical to operational readiness and safety. Similarly, paying insurance premiums is a necessary obligation that requires strategic financial planning and doesn't align with the communal and informal nature typically associated with a 'Kitty.'