The extra amount of strong vinegar does work! It only takes a few hours (at least in our case) to see a weed is a toast. And, the product is also easy to use - You can spray an area or direct a stream ...

As evidence I see the glint of naked metal on exposed engines and radiators and, in big black drums beside hoodless frames, the jumbled masses of fuel pumps and belts. Some will be called back ... men ...