kakarotmarine

hi im new to arma2 and im using the ace mod. im trying to use the gasmask with the black-ops mod "gasmask protection" face. but ever time i put the mask on it deletes the the face i have(gasmask protection). can anyone plaese tell me how to stop that from happening and how i can have both on at the same time. thank you. also if im going to need any classnames or file editing plaese be as detailed as possable im not the greatest at scripting. and again thank you for your help.