Bird flu masks are facemask to utilize nanotechnology enhanced filter media to effectively isolate and destroy viral and bacterial contaminants. Nanoparticles enhance the intrinsic filtration efficiency of the media by acting as a destructive absorbent to kill virus and bacteria that come in contact with the filtration system. The mask utilizes adjustable head straps to provide a personalized, secure fit and effective seal against the face.
Bitumen sprayer unit consists of a truck-mounted tank, facilities for heating the bitumen, and a spraying apparatus mounted at the rear of the vehicle. It is suitable for tack coat and bitumen spraying application. It is capable of applying a uniform unbroken coating of hot bitumen on specified surface in prescribed quantity.