The annual cumulative quantity of high and medium alloy steel scrap has exceeded 10 million tons. Using the traditional smelting process involving electric arc refining in a smelting furnace for these scraps causes high percentages of alloy losses. which decreases the value of the alloy steel scrap and poses environmental threats. Existing studies have rarely focused on separate smelt... https://halohealthcarers.shop/product-category/wheelchair-ramps/