Anh
pit furnace
Đức
Muldenofen
Schachtofen
Pháp
four puits
four vertical puits
four-puits
four puits,four vertical puits,four-puits /INDUSTRY-METAL/
[DE] Muldenofen; Schachtofen
[EN] pit furnace
[FR] four puits; four vertical puits; four-puits