it's for diecasting. just gooogle dosing furnace diecasting "Dosing furnaces are closed holding furnaces with a spout for direct metal delivery. They are used

it's for diecasting. just gooogle dosing furnace diecasting "Dosing furnaces are closed holding furnaces with a spout for direct metal delivery. They are used to dispense an accurate amount of molten metal into the die casting machine. The advantage of dosing furnaces is that because it is closed, it minimizes heat loss and protects the molten metal from excessive oxidation."