Years beck in the 70s and early 80s kulikuwa small tractors that used paraffin, later there were fridges that used paraffin to heat and vapourize a CFC based coolant than kept the food cold. Nowadays those are vintage goods.
The cooker technology ndio bure. It’s dirty like a Texan oil rig, smoky and stinking. Just remembered my hasora days in a single room Orioba stage 56. My sweet neighbour (who would end up giving me slices when both of us had dry spells, hehehe. Sweet Merceline) taught me the art of hitting the stove with water then dashing out of the house, or taking the damn thing outside and hitting it with water then dashing back in and closing the door; the risk with this latter mode was forgetting to retrieve it soon enough and finding it gone, so generally it was not advisable at night. Imagine being given these tips as we lay butt naked in my bed after recovering our breaths after a romp as she twiddles my nipples.