Screens

Different types of screens: pearlescent, aluminized/silver, matte white, beaded, lenticular
perforations
Fixed screens, screen frames, curved screens
roll-up, portable, inflatable.. projecting on walls...
Ideal dimensions, height, etc.
Examples
Cleaning - Consult your service technician before attempting to clean your screen. Cleaning your screen without knowing what materials to use is a great way to destroy it.
masking