The season of preparation for Easter closed with the Great or Black Week, also known as the Holy Week. The Thursday of Holy Week commemorated the institution of the Holy Supper. Since the Gospel of the day was John 13:1-15, the day was also known as the Day of Foot Washing.
Cathode ray tube, or CRT, screens like those that were once used for computer monitors and TV sets actually do emit low levels of UV radiation. However, these levels are significantly lower than that of the sun. The fluorescent light bulb above your head emit actually emits more UV light than a CRT monitor.
How To Clean A Flat Screen TV or Computer Monitor. 1  Turn off the device. If the screen is dark, it will be easier to see the areas that are dirty or oily. 2  Use a dry, soft cloth and very gently wipe the screen with a microfiber cloths or dry eraser, both equally fantastic choices. See Tip #1 below for kinds of fabric to avoid. If the dry cloth did not completely remove the dirt or oil, do not press harder in an attempt to scrub it off.