## What is Laser Cleaning?Laser cleaning is a non-contact cleaning process that uses focused laser beams to remove contaminants and unwanted materials from surfaces. It works by irradiating the surface with high-intensity laser pulses, which cause rapid vaporization, decomposition, and detachment of the contaminants.Compared to conventional cleanin
## IntroductionBallpoint pen drawing is a unique art form that involves creating artwork using standard ballpoint pens. Unlike traditional drawing mediums like graphite, charcoal, or ink, ballpoint pens create a distinct aesthetic because of the way the ink flows and dries on paper. In the hands of a skilled artist, the limits of ballpoint pens can
## IntroductionBallpoint pen drawing is a unique art form that involves creating artwork using standard ballpoint pens. Unlike traditional drawing mediums like graphite, charcoal, or ink, ballpoint pens create a distinct aesthetic because of the way the ink flows and dries on paper. Hinein the hands of a skilled artist, the limits of ballpoint pens