1. archifau ddiffodd creiriau diwylliannol fydd carbon deuocsid, carbon tetraclorid, 1211, bis (trifluoromethyl), 2402 1301, sevoflurane, sevoflurane a propan;
2. Diffodd hylifau fflamadwy dylid dewis powdr sych, carbon deuocsid, carbon tetraclorid, 1211, bis (trifluoromethyl) bromid methyl, 1301 2402, sevoflurane, propan, ac ewyn toddydd-gwrthsefyll;
3. Diffodd nwyon fflamadwy dylid dewis powdr sych, carbon deuocsid, carbon tetraclorid, 1211, bis (trifluoromethyl) bromid methyl, 1301 2402, sevoflurane, sevoflurane;
4. Dylai tân offer trydanol yn cael eu dewis powdr sych, carbon deuocsid, carbon tetraclorid, 1211, bis (trifluoromethyl) bromid methyl, 1301 2402, sevoflurane, propan, propan;
5. Dylai tân offeryn thrachywiredd ddewis carbon deuocsid, carbon tetraclorid, 1211, bromid dimethyl, 1301 2402, Sevoflurane, Sevoflurane.