Motivated by the rapid spread of the novel pandemic disease (COVID-19) that swept the most countries in the world. a new radiation heating system consists of wall radiator panel system connected to a reversible geothermal heat pump (GHP) coupled with horizontal ground heat exchanger (HGHX) was proposed as fast and permanent solution to the risks of the dispersion of airborne infectiou... https://allfixelectricales.shop/product-category/gearbox-mounting-frame/