• Herramienta auxiliar de carga para materiales de la construcción 

      Castañeda Salazar, John Alejandro; Cristian Alejandro, Alfonso Parra (Universidad Colegio Mayor De CundinamarcaFacultad de Ingeniería y ArquitecturaBogotá DCConstrucción y Gestión en Arquitectura Ciclo Profesional, 2022-12)
      In order to solve the need that light-duty builders have today in terms of transferring materials with large dimensions, which at the time of transferring but a single person, the task become tedious an complex, and even ...