“by Roberto Lou Ma, Civil Engineer, Centro de Experimentación enTecnología Apropiada, Guatemala
The CETA-RAM is a manually operated block press, developed by the author just after the February 1976 Guatemalan Earthquake, specifically for the production of hollow soil-cement building blocks. The hollow blocks are intended for use in reinforced masonry for low cost earthquake resistant housing.The CETA-RAM is a modified version of the well known CINVA-RAM.