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This is exacly how i lost a screw, cause it fell off under my heavy bookcase after i picked up the fixure.

You’ll also match the screws/bolts to the specific hole to which they mated over time. For cars and machinery this can be important

I understand, but that veers close to "shit happens" territory. I think many people would like my strategy

I agree mate, i just had a bad expirience, i pretty good lpt actually.

Good tip. For ones that won’t stay in the disassembled device, you can stick them all to a strip of painters tape and attach that to the device. Or better, a small plastic baggie taped to it.