Hot answers tagged piece-information
These pieces are frequently used for decoration now, but they were originally used for sliding doors, particularly on train sets. Here's one of the first uses from set 7838 in 1983: While they could be used in structures, these were frequently used for putting doors on the train cars themselves: These parts can also be used to create tracks for other ...
In addition to what jncranton wrote, the plate with the rail is a perfect fit for sliding in the brick with groove: You can see an example of that technique in the Cloud City set:
It's tough to predict where such a small number of pieces came from, but some are likely from the Hydronauts theme, specifically Hydro Crystallisation Station (6199): This set includes the chromed headgear with studs on the back as well as the printed tile that is already attached to the back of yours. The minifig utensils are likely from Mobile Outpost ...
Tom Alphin has a template of labels you can download and print with the appropriate label printer. Sample:
The trans neon green helmet on the right of the first pic appears to be from any of the Aquazone, Aquaraiders I, Hydronauts, or possibly even Time Cruisers. It's a start... :)
I would start with looking at the way Bricklink has their catalog organized, or look at LDraw's catalog. They have a fairly basic system segmenting LEGO into bricks, plates, tiles, beams, rods, minifigs etc. Should get you going. EDIT: And if you really want to ID each part, just use the Bricklink part numbers (same as LDraw's numbers) to print on the bins. ...
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