Video: The more you use your Shop-Vac, the more suction you lose as its filter gets clogged up. This DIY pre-separator will help prevent your Shop-Vac's filter from clogging, and keep its suction power from deteriorating.
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Predicting the future is near impossible -- but that doesn‘t stop us all from having a red hot go. Human beings have been predicting the future since the beginning of history and the results range from the hilarious to the downright uncanny.
One thing all future predictions have in common: they‘re rooted in our current understanding of how the world works. It‘s difficult to escape that mindset. We have no idea how technology will evolve, so our ideas are connected to the technology of today.