Thin, flat piece of metal or plastic, which protects unprocessed film from light exposure.

An opaque sheet that is slid in place over the front of a sheet film holder to protect the film from exposure to light.

slide-in plastic sheet used on sheet film cameras over the front of the film holder to protect the emulsion from light.

Another name for a plateholder.

Darkslide is a PBS reporting engine that takes accounting data from the PBS Accounting Toolkit and produces high quality PDF reports from the generated XML accounting data.

As you approach something to grind, you flip your board and grind on the grip tape while standing on the bottom of the board.