Hi There... :)

[K_Khan]

@Dr.Rose

H.E.P.A… hmm.. air filters kay barray main tou ab tak kabhi kuch nahin perha. :o
oh well.. and air filters.. shouldn’t that be like part of** civil/enviornemntal eng**?. main us main nahin hoon

not really… name any branch of engineering and I will give an application. from biomedical to nuclear… :halo: