#rollercoasters

[A close-up shot of Black Hat from the shoulders up] Black Hat: Compatibility and interoperability are so important.

[A zoom out reveals that Black Hat is standing in front of and pointing at a diagram showing a commuter subway car and a rollercoaster car, and the tracks they both run on. Standing next to him are Cueball and Hairbun] Black Hat: For example, most subway rails are 143.5 cm apart. But many roller coasters use a narrower 110 cm gauge.

[This panel shows only Black Hat] Black Hat: For the last few years, our company has been quietly retrofitting roller coasters to use 143.5 cm tracks.