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7
votes
7answers
14k views

How to clean rust in hard to reach points on a tool?

I have a cheap tool with some rust on it. It's probably cheaper to buy a new one than to clean it. But I wonder if is there any solution where I can drop it and retrieve it clean. Is there anything ...
12
votes
5answers
5k views

How do I optimally cut a bolt to length?

Once in a while I need a bolt of exactly the right length and it is not one of the lengths available in stores. So I get a longer bolt and cut it to length. Here's the procedure I follow. I screw one ...
4
votes
1answer
1k views

methods of detecting a copper pipe in concrete floor

We believe that our copper water line is embedded in the concrete (and rebar) basement floor. We would like to excavate a hole to install a sump pump. We don't want to hit the copper line which we ...
3
votes
1answer
218 views

Can I use epoxy putty to patch metal?

The outer "frame" of my fireplace is comprised of a thin, sheet-metal-like material that is separating at the seams in some places. Ants are finding their way up from beneath the fireplace and making ...