Experiment a bit until you find a sweet spot that works for you
When the current in the circuit exceeds the rated current of the fuse, the fuse will blow, cutting off the circuit and preventing the equipment in the circuit from being damaged by overload or short-circuit current
The follow up to this article, further confirms their findings and elaborates on the first by proving that medicinal smoke can reduce the amount of airborne pathogens in a space by 94% (WHICH IS SO COOL!) We have observed that 1h treatment of medicinal smoke emanated by burning wood and a mixture of odoriferous and medicinal herbs (havan smagri=material used in oblation to fire all over India), on aerial bacterial population caused over 94% reduction of bacterial counts by 60 min and the ability of the smoke to purify or disinfect the air and to make the environment cleaner was maintained up to 24h in the closed room
A lot of Swedish and Finnish athletes use the stuff for the nicotine buzz without the breathing problems from smoked tobacco, I think the stuff is controlled in most of EU, Sweden is exempt and Finland permits importing for personal use
They are lightweight, compact, and often include handles or casters so you can move them easily from one room to another