The word driver is more general - anybody who drives a vehicle is a driver. You are a driver when you are driving your car. Some people work as bus drivers and taxi drivers (the drivers of trains are usually called conductors).
A chauffeur is a person who is employed to drive a car for a private individual. Rich people and celebrities often have chauffeurs so that they do not have to take public transportation, or drive themselves.
All chauffeurs are also drivers; not all drivers are chauffeurs.
Moisture, chemicals, strong cleaning agents, and other substances can promote corrosion of centrifuge parts and cause centrifuge failure. The following are general maintenance recommendations: 1 Follow manufacturer instructions for maintenance and cleaning.2 Keep the centrifuge clean and dry. 3 Clean all spills immediately and decontaminate the rotor after use with biological or radioactive materials. 4 Clean rotors and cups with non corrosive detergents (mild detergent and distilled water are recommended), then dry the surface thoroughly.