These include a system for wind-tunnel testing prototype shapes with fully inflated clincher tires, and the use of thermal imaging to analyze braking performance.
Clean-outs should be placed in accessible locations at regular intervals throughout a drainage system, often including outside the building, because clean-out augers have limited length.
Normally, standard gasoline vehicles are retrofitted in specialized shops, which involve installing the gas cylinder in the trunk and the CNG injection system and electronics.