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    Which Spindle coolant to use?

    I just received my new CNC Mini mill. It has a 2.2 kW water-cooled spindle and I have heard from friends that I need to add something to the distilled water to prevent rusting. Most people have told me to add antifreeze to the water at 2:1 ratio. When I google on the subject some have reported...
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    What paint to use on Workshop floor?

    Hi I have just had a double garage built to become my new workshop. The floor is currently just smooth cement. What paint should I use? I got a quote for a thin and thick layer of epoxy coverings, but it is way out of my price range, like $1000. Also, if a drop a shard heavy metal piece on it...
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    How to Cool a sealed 10 gallon container?

    Hi Everyone I need some cooling ideas. I have a Synology NAS that I use for storing my Data. It is a great device but very pricey. I live 50 meters from the sea which means everything rusts! For example, my TV never lasts longer than 2 years before the corrosion kills it. I gave up trying to...
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    Optical center punch formula

    I use an optical punch as an aid when doing metalwork (see attached picture). It is one of my favorite gadgets! I broke the optical rod when I knocked the device of the table. I use it a lot and thought this is a good time for me to finally make my own improved version that does not require I...
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