Effective use requires XML skills and careful hand-coding. XHTML 1.1 is always served as XML, and must use the MIME type application/xhtml+xml. Browser support is very limited. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> XHTML...
The main aim of this paper is to design a proper placement of inlet and exhaust ducts of a ventilation system in order to create a safe area in a space, so that the infection risk at this point reaches its lowest level. Various research and methods have been suggested to reduce the ...