Formaldehyde gas sterilization is employed for?
Formaldehyde gas is used for sterilising instruments and heat sensitive catheters and for fumigating wards and sick rooms and laboratories REF:Ananthanarayan and Panicker's Textbook ofMicrobiology 8thEdition pg no:36
Sterilizing hea lung machines
Glass materials
Paper and cloth
Fumigation of operation theater
general microbiology