i build and design systems ,switchs ,we also in house speed liner ,sell a lot resin although its hard to maintain low costs as its allways going up in price
you ed be suprised how little water we use the hotel takes about 500 - 650 liters the vans we use are two renault kangoos one with 350 lt one with 500 liter just purchased a peugeot expert today the 110 hdi that will have a 500 twin r/o in for demo purposes and later in april will be putting a hot water system attachment to that which will be marketed in early summer i suspose ,
i agree wfp all the way , only thing is insides i wish theyd let me do it inside ,