Articles related to correction
A spectrometer is a device that is capable of measuring certain characteristics of light. This is most often displayed as light-intensity, but can also refer to polarization and refractive qualities. A spectrometer can be used to determine the color of paint, very expensive models can even be capable of determining the material used.
Polishing a certain surface, using a certain technique will not always yield the same results. This is one of the difficult parts about detailing. There are many different variables that play a part in the result you want to achieve. Getting these all lined up will give great results in short time with ease.
The rotary is often considered to be the adversary of the Dual Action polisher. It is a polishing machine that uses only 1 type of motion to create a polishing effect. It is very good at cutting, works quicker then a DA, but also requires much more experience and knowledge to use properly. Many consider the rotary a medior or senior level of experience machine.