Compare paper book and e-book

The variety and functionality of electronic devices has led to the gradual replacement of traditional paper books. Experts predict a gradual "dying" of the printing business. Is it true? To…

Compare acrylic paint and emulsion

Water-based paints are considered the most popular in repair and construction work, regardless of whether we are talking about home repairs or the work of professionals. There are many varieties…

Our Ricoh WXC4660 Professional Projector Review

Briefly about the main The Ricoh WXC4660 is an ultra short throw projector designed for educational institutions, museums, businesses, art installations and other performances. Its main features: the ability to…