10.17028/rd.lboro.7952570.v1 Rod Shaw Rod Shaw Slabs made of wood quantities Loughborough University 2019 WEDC Latrines Latrines slabs Latrine seats Technical Diagram International and Development Communication 2019-05-02 11:49:35 Figure https://repository.lboro.ac.uk/articles/figure/Slabs_made_of_wood_quantities/7952570 Slabs made of wood quantities