At construction site,for a injury[wound not exposed] to stop agony break grease of vehicle are applied is it ok?

At construction site,for a injury[wound not exposed] to stop agony break grease of vehicle are applied is it ok?
NO!! That's ridiculous. There is nothing contained by brake fluid that will help and it may contain toxic materials that could be held through the skin. That is a very, outstandingly stupid thing to do.
break grease is for vehicle,why would you put it to your body are you bionic?the break oil will be hold by your skin creating much trouble to your skin,liver or kidney.use hot or cold compress instead