I'm pretty sure my grandmother must have had a pair of those that she used on me when I landed butt first in a large prickly pear cactus after falling out of a pear tree.
So why is 1 guy using tweezers while the other guy just picks up the shard they are both wearing gloves
These days you probably wouldn't want to use something like that dirty old salt sorter than I saw. Tensorflow is a wonderful thing.
Here we went from pre-sorted recycling to "dump it all in one bid". I can't imagine how they sort the broken glass and wet paper and other stuff that will inevitably wind up in the stream. My guess is they only grab the bigger visible stuff and everything else goes to landfill.
Here's a bean sorting machine that uses the air jets
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