Each rocket engine has a code printed upon the outer jacket.

Members must enter a code, printed inside specially marked boxes, at the Recyclebank website to claim the points.

When encountering a sticker on the street, one can send the unique code printed on it as a text message to the project phone number.

He explained that by matching identifying codes printed on trucks with a national database, it is possible to identify uninsured vehicles.

American Express cards have a four-digit code printed on the front side of the card above the number.

Furthermore, barcodes allow services like saving data automatically in the contact list of mobile phones by scanning a code printed on business cards.

Unique codes printed on packaging are increasingly used as a mechanism for proof of purchase.

Its cover was revealed on March 2, 2010; it had a red mask with codes printed in certain areas over a purple background.

They also utilized a secret code, sometimes printed in newspapers like the Buffalonian, to communicate orders.

Importantly, virtually all methods that are discussed are also implemented in a programming language, with the code printed in the book.