More




Wishing You a very Beautiful Tuesday

Get to know the fact, and the fact itself will set you free!





Many ventilation systems may increase risk of COVID-19 exposure, study suggests

Informed 3 weeks ago

Ventilation systems in many modern office buildings, which are designed to keep temperatures comfortable and increase energy efficiency, may increase the risk of exposure to the coronavirus, particularly during the coming winter, according to research.


Source:  University of Cambridge





ONLINE E-BOOKS


Online E-books, Textbooks and related materials.