Palestinian workers wear face masks while working on a machine to make pomace of olive oil waste to turn it for fuel at Abasan, east of Khan Younis, southern Gaza Strip, on 15 October 2020, Palestinian engineers and workers recycle olive oil waste to turn it for fuel, The start-up seeks to use the shaped pomace to ignite cooking and heating fire in the energy-scarce Palestinian enclave. Photo by Abed Rahim Khatib