AT
DUKW
Spain does not have initials. If you are asking about the letters mounted on the back of automobiles in Europe that are used to identify where the vehicle is licensed, the letter(s) used for Spain is black "E" on a white oval.
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An employee's initials usually refer to the first letter of each part of their full name. For example, if an employee's name is John David Smith, his initials would be JDS. Initials are often used to identify individuals, especially in official documents or when signing paperwork.
DUKW (Ducks) up to 200 of these were used in the D-Day landings. They were created by a company called GMC which now make racing pickups
A stamp on jewelery is usually the jewelers stamp (initials of the jeweler). It is used to identify the manufacturer of the piece.
There were no amphibious tanks used in WW1. Tanks were only used in the late World War, and they were not technically advanced enough to be amphibious. For "the late" substitute "the latter part of", and add "1" after "War".
You can purchase used trucks internationally from websites such as Truck Paper. Alternatively, you can also purchase these trucks from the International Used Trucks website.
Trucks are used for carrying supplies and to just drive.
The initials for Arizona are AZ. All the states in the US have initials which are used as the abbreviation for a particular state.
You can find used trucks online at www.autotrader.com.
The initials SLO refer to the Olympic country code for the country of Slovenia. The first three letters are used to identify a country with a unique 3 letter code. In some cases the code may not be the first three letters but a subset of letters in the country's name.