The present study employs machine learning regression analyses to investigate the efficiency of photovoltaic (PV) panels utilizing solar energy under the influence of environmental factors. The experimental study was conducted on two 100-watt monocrystalline and two polycrystalline PV panels. which were divided into clean and dirty groups. The following variables were monitored and re... https://allfixelectricales.shop/product-category/inlet-valve/