for the time being rafael ingo and takes the soap home where she markets and sells the items through an online platform the 2 sisters also deliver their products to some of their clients themselves. today they have an appointment with a regular customer who owns a beauty paulo. in the east. it's very gentle that's why. it's a. refined go and has partnered with a center the association of ingenious of africa a spot of a scheme to promote sustainable business in cameroon. she and her family hope that before too long they will be able to open a shop and in the long run market their product internationally. every flush of a toilet in any of these homes behind me uses an average of 6 liters of water i mean many cases that's water that could be used for drinking or washing up is that it's quite literally going down the drain 2 sisters in the german city of frankfurt thought that was a waste so they decided to develop portable toilets function without chemicals oist single drop of water it's a business model that could be of interest elsewhere in the world like many of africa's big cities.