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A few random pictures of Spain. OK, it is a Unix fire extinguisher.

Some serious brand confusion.

:HCF: /H-C-F/ n. Mnemonic for `Halt and Catch Fire', any of several undocumented and semi-mythical machine instructions with destructive side-effects, supposedly included for test purposes on several well-known architectures going as far back as the IBM 360. The MC6800 microprocessor was the first for which an HCF opcode became widely known. This instruction caused the processor to {toggle} a subset of the bus lines as rapidly as it could; in some configurations this could actually cause lines to burn up.

(From the Jargon Dictionary)

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A few random pictures of Spain. spain, spanish, black bull, sign, billboard, graffiti, guardia civil, fascism, anarchy, photographs, pictures, travel, tourism, unix fire extinguisher