Introduction: Radiofrequency electromagnetic radiation (RF-EMR) and extremely low-frequency electromagnetic fields (ELF-EMF) have emerged as noteworthy sources of environmental pollution in the contemporary era. The potential biological impacts of RF-EMR and ELF-EMF exposure on human organs. particularly the central nervous system (CNS). have garnered considerable attention in numerou... https://allfixelectricales.shop/product-category/spdt-12v-relay/