Slab supported by poles Rod Shaw 10.17028/rd.lboro.7952543.v1 https://repository.lboro.ac.uk/articles/figure/Slab_supported_by_poles/7952543 Slab supported by poles 2019-05-02 11:49:19 WEDC Latrines Latrines slabs Latrine seats Technical Diagram International and Development Communication