he buili ol «mere, “5mg a eenlral yeriical fling lorrn in whieh iii pour the euncrnir It is casy slough io ieale up or dawn linrn rhese 5|ng when eadsiubug Vank or swalc capaeriy needed lor dwellings, Even ln very low reinlallsol incm iir so, large had or m run.ciil surlace will supply all me drinking waier dial we have hnks m slaie li in berause ol the cosis 0' building (isms, we can selddi-n amid rd siiiie all ihe rairi ii is possible lo eaich, fluids are ramrriaiily sealed and albums? crim- peiued by lsalhc, and in deseri downpouiscalleei large eapansea o1 waher ln emu areas, we can seal hull slnpfi lbw: ““155 wrih mncreie, wan biiumen, or plush and nu the m: as a “mi", llul inc cheapesi ml is iu leraie near a bare rud- slub m praniie, rir a narursl sealed eap on hlllb, aruuud whieh we run a gullex umk