SURIGAO CITY, Surigao del Norte — The Department of Trade and Industry (DTI) once again warns public on the use of butane canisters for household liquefied petroleum gas (LPG). The DTI cautions that these canisters are not intended and designed for LPG and therefore may pose danger to users and households. Butane canisters are not compliant with quality and safety requirements for LPG refill. As such it may leak and emit hazardous gas and cause explosion and fire, thus, posing danger to life and properties. PNA