In dictionaries:
Nikon D6
a full frame professional DSLR camera announced by Nikon Corporation on February 11, 2020, to succeed the D5 as its flagship DSLR.
Caterpillar D6
The Caterpillar D6 track-type tractor is a medium bulldozer manufactured by Caterpillar Inc. with a nominal operating weight of .
D6 System
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