In the first half of 2020, the COVID-19 has spread throughout the world, so many people have infected and lost their lives to the disease. As a result, it is so important for our ordinary people to take measures to prevent infection by CoronaVrius.There is a series of suggestions to help you prevent

There are a number of different systems available for providing a fire rating while also maintaining light passage and a clear view. Fire rated rooms and stairwells do not necessarily need to be solid walled and dark – architects can specify glazing systems or glass opening protectives to keep a spa