“The [kerosene] lamp emits smoke little by little and it fills the house and so it becomes a problem because children can have chest problems. Therefore it is not good. It does not have any advantage, just that one doesn’t have a choice that is why we use it… If I get something like this [GravityLight], I will not go back to using kerosene. This is because it cannot make someone sick, it will make one to have good health because it does not emit anything…”