This paper presents experimental and theoretical work. analyzing the performance of single slope solar still with and without a floating lid. conducted in Cairo. Egypt. https://www.bekindtopets.com/save-big-T-S-Brass-B-0665-CR-BSTR-Wall-Mount-Rough-Chrome-Service-Sink-Faucet-w-Stops-and-Cerama-Cartridges-super-buy/