Wipe it off with a clothand then try it out. It should be fine.
You can't
wear gloves
Get it repaired. Buy a replacement. Do without.
right above the oil filter there is a wire leading to it. it wont be possible to get to the sending unit without taking the oil filter off.
We had our Caravan repaired last year with a product called ThermaGasket. We have put 35000 miles on the vehicle without any problems!
Although it IS possible for a diamond to be scratched, it's not very likely. It takes another diamond to do it, and it's difficult. If it's scratched it MIGHT not be a diamond. It might be, too, but it's odd that a diamond would be scratched. In any case it must be professionally repolished. There is no way for anyone without cutting equipment to do the job. And if it is a diamond only diamond grits will do the job, which few households even have. Go to a jewelry store and ask about it.
the CD is scratched or the boombox is too old
Maybe, if you bought a warranty you might get a new one but if you didn't get one you are not qualified to get it repaired. Sorry but you can't get it repaired without a warranty.
You can fix Wii Black screen without sending it into Nintendo by pulling out the plugs at the back, and re inserting them.
If it is lightly scratched, an over the counter antibacterial eye drop should help keep it clean and reduce any swelling or redness, but if it is badly scratched/swollen and very itchy, you need to see the doctor soon.
It all depends on the failed part. If the leak can be repaired without a rebuild, then yes.
you cant