A material handling company named Keith Manufacturing has developed a Walking Floor®, a brilliant way to get cargo out of a truck without lifting a finger. When I first saw this GIF, I couldn’t understand how it worked:
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And I thought for sure it wouldn’t work with finer material, like sawdust, until I saw this:
An explanation for how this works is needed. Thankfully the company has one:
Staggering the heights is very clever!
I wish the bed of my pickup had one of these systems (and a swing-down tailgate).
Source: core77