英文：A security device(often part of a terminal) that reads information(often from a magnetic strip) on a badge inserted in a slot. In this way, it can prevent the unauthorized use of a display station before allowing an operator to sign on.
英文：A fastening, as for a door or gate, typically consisting of a bar that fits into a notch or slot and is lifted from either side by a lever or string.
中文：门闩闩，例如门闩，尤指带有一横销，插在槽或狭缝中通过把手或铁链从一头提到另一头
英文：A belt with loops or slots for carrying small tools or other equipment.
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