Hunandi is the operation manager for OnTheFly, a portable water-filter device. OnTheFly is especially popular among hikers as it is lightweight and easy to use. In addition, it does not require a container and the filter can be used like a straw, straight from the water source. OnTheFly removes 99.9% of potentially dangerous bacteria. 

This describes the ___________ which forms part of the interdependent components of all products and service.