2024-alloy of aluminum as a solid rivet, various shape head and length; DD is the industry-standard designation of this rivet metal alloy. The rivet head will have a mark to help indicate the basemetal alloy, which has a unique property when used/installed to fasten a joint such as two pieces of sheetmetal.
A DD rivet is recognised by 2 dashes on the head of the rivet
Bach Engineering
dd is an abbreviation for "data definition." It is often jokingly said to stand for "destroy data."
Demand draft
Probably manned maneuvering unit.
It depends on the context... DD could stand for Doctor of Divinity - an academic degree.
The DD the navy designation for "Destroyer".
NORAD stands for: North American Aerospace Defense Command
it stands for Demand Draft
DD-WRT is Linux based. It is firmware for a variety of wireless routers. DD-WRT is maintained by BrainSlayer and the DD in DD-WRT stands for a number plate code.
North American Aerospace Defense Command
It depends on the context... DD could stand for Doctor of Divinity - an academic degree.