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Type: Posts; User: Drafty01

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    Re: Are Metal Shavings / Dust Hazardous?

    Anyone know if cast iron dust is particularly harmful?
    We often use coolant (Hocut795 @5%) when milling it, but even then there is still a mixture of coolant mist and cast iron dust. There is no...
  2. Re: There *must* be a better way to compare batteries (lead and lithium in particular

    For portability, lithium is preferred, but if weight is not an issue, lead acid would be choice.
    Work is currently under way for an aluminium/air battery. Not sure on the specs for these though.
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