all+the+bores
131Dahlgren gun — John A. Dahlgren standing next to a 50 pounder Dahlgren Rifle aboard the U.S.S. Pawnee, 1865 …
132Gasoline direct injection — In internal combustion engines, gasoline direct injection (GDI), also known as petrol direct injection or direct petrol injection, is a variant of fuel injection employed in modern two stroke and four stroke gasoline engines. The gasoline is… …