An experimental study on a passive solar distiller in the Tikrit city on (latitude line"34 36o north. longitude line "45 43o east). and purpose of that study to raise the efficiency and productivity of the solar distiller. And then design the monoclinic solar distiller and add reflector plate and a solar concentrate. https://www.marcelovicente.com/product-category/volume-shampoo-and-conditioner/