... will be lubrication ,full of elasticity just like a child.Ultrasonic cleaner also available to exchange alcohol,make it aroma , stir ... all the problems.5.Clock and watch , precision instrument: Have ultrasonic cleaner ,you shouldnt Dismount screw , gear wheel , hairspring spring , watch ... one by one , just disboard covering, and put into the tank with the right detergent,youll get the good effect.6 ...