Well like a lot of discoveries in the film, each one connects to others. For a recent example, take Schotti's Sentry "thing" identification thread. The "thing" in question turned out to be a pipe access door made by Polypipe in their "TERRAIN" lineup. Once I got looking at the catalogue on their site, I spotted other pipe connectors used in the corridors.
A few months back, while searching the web for those elusive ITEX ear defenders, I inadvertently came across other STEPHENS-ITEX products and this welding face handshield jumped out at me. I flipped through the film and found where I had seen it!
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Stephens-Itex Handshield 802-Fibreglass-108x83mm-Lens Aliens.jpg [ 327.79 KiB | Viewed 1758 times ]
It wouldn't be much of a stretch to assume they came from these handshields - or at the very least, STEPHENS-ITEX brand.
EDIT: Perhaps something like this: STEPHENS-ITEX COMBI Faceshield with Flip Front 108mm x 83mm lens
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Stephens-Itex Combi Faceshield Flip Front 108x83mm-Lens.jpg [ 98.78 KiB | Viewed 1749 times ]
Note: Unlike the Ear Defenders, both these shields are still readily available
