The only reason I can think of doing so would be to lube the various moving compartments, but even that is not typically done by the user base for creative controllers, and some of these keys are best left unlubed. I did find it interesting that TourBox has a fairly substantial steel ...
Table 5. Potential benefits and issues of bus retrofitting. Benefits Issues Electric buses converted through the retrofitting process do not emit pollutants, contributing to improved air quality and reducing the local environmental impact. Retrofitting does not result in a new bus, so design ...