How different is scratcx from #9 swirl remover in terms of :
* Which one should be used in what specific circumstances ?
* Which one requires a machine to apply for more effectiveness ?
* Which one is more aggressive in cleaning ?
* Which one can be used for spot cleaning and which can be used for whole car ?
About show car glaze M0716 :
* is it a pure polish or a cleaner+polish or a polish+wax or a cleaner+wax or a cleaner + polish + wax ?
* Where would it fit in the meguiar's 5 step process ?