On what occasions can portable furnace not be used

It can not be used in the following situations:

Portable stoves should not be used as heaters or in airtight places.

Do not use in strong winds or hot winds, which will blow out the flames, while hot winds will cause the air pressure to rise and cause an explosion.

Do not use in areas where objects are likely to fall.

Portable stoves should not be used near combustibles or curtains.

Can not be used in electromagnetic induction furnace, electric heating furnace and other electrical appliances.

Do not use in the hot sun or in the vicinity of an open flame or other heat source.