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Comment by user3939382 | Hacker News Reader

It’s like python. It’s not the best at anything but it’s a decent all arounder. Not everything that’s practical and useful has to be super specialized + best in class.

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I prefer 3-in-1 as an all-rounder.

I've grown to dislike the smell of 3-in-1. It's not awful, but once it gets on the skin you smell it for hours, even after washing.

I've started using M-Pro 7 gun oil for the same tasks. Not that it solves world hunger or anything, by I always have some around, I don't end up smelling volatile organics for the rest of the day.

3-in-1 is pretty unpleasant, I agree. I use it as a cutting fluid for drilling steel mostly and it's not any nicer when hot. Perhaps I will try some of your gun oil.

Best smelling shop liquid I've yet encountered is Marvel Mystery Oil. It's amazing.

Pluses and minuses as cutting fluid. It's not sulfurized or chlorinated, like actual (and lower cost) cutting fluid. On the other hand, the vapors are non-toxic, being mostly polyalphaolefin synthetic oil, and it likely is better than 3-in-1 as cutting fluid for adhoc use, if only due to significantly lower vapor pressure and higher flash point.

Try Ballistol, it’s so good!

Came to post this; Ballistol works brilliantly; and can also be used as a leather conditioner, wound dressing, & marinade for carne de cheval, with the addition of some juniper berries and a little rosemary.

The best all-rounder is Ballistol. Smells way less than 3-in-1 and performs great!

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