What is a common use of high-pressure air systems in industrial applications?

High-pressure air systems are predominantly used for the operation of pneumatic tools in industrial applications. These tools rely on compressed air as a power source, leveraging the energy stored in the air to perform various mechanical tasks. This includes actions like drilling, grinding, or driving fasteners, which require high torque and power that pneumatic tools can effectively provide.

The advantage of using high-pressure air systems is that they allow for more efficient energy transfer to the tools, often resulting in lighter equipment that can be easier to handle compared to electric alternatives. Additionally, pneumatic tools can offer increased safety in certain hazardous environments where electrically powered tools might pose a risk of sparks or electrical faults.

Other options listed may relate to industrial operations but do not primarily utilize high-pressure air systems. For example, heating or cooling typically involve different systems such as boilers, chillers, or refrigeration units, while waste disposal usually requires dedicated waste management solutions that are not reliant on pneumatic power. Thus, the primary and most common application of high-pressure air systems is indeed the operation of pneumatic tools.