Rivet heads must not protrude above the airplane’s skin, as this would create turbulence and drag. Instead, a flush surface is achieved by countersinking, which enables the rivet head to sit level ...

No generator, no problem! There’s enough onboard power for days in the boondocks. Bowlus is a manufacturer of ultra-luxe aluminum travel trailers with tongue entry, heated floors, and price tags ...

All-Electric Bowlus Rivet Aluminum Travel Trailer Parks Itself, Can Go Off-Road. No generator, no problem! There’s enough onboard power for days in the boondocks.