| Subject | English | German |
| tech. | backplate of a firebox | Feuerbuchsrueckwand |
| mater.sc. | to clean a firebox | eine Feuerbüchse entschlacken |
| mater.sc. | to clean a firebox | eine Feuerbüchse ausschlacken |
| mater.sc. | to de-clinker a firebox | eine Feuerbüchse entschlacken |
| mater.sc. | to de-clinker a firebox | eine Feuerbüchse ausschlacken |
| transp., mater.sc. | firebox back sheet | Feuerbüchsrückwand |
| transp. | firebox casing | Grundring |
| transp., mater.sc. | firebox casing | Feuerbüchsmantel |
| transp. | firebox casing | Bogenring |
| transp., mater.sc. | firebox front plate | Feuerbüchsvorderwand |
| transp., mater.sc. | firebox front sheet | Feuerbüchsvorderwand |
| mater.sc. | firebox roof stays | Bewehrung der Feuerbüchsdecke |
| transp., mater.sc. | firebox side sheet | Feuerbüchsseitenwand |
| transp., mater.sc. | firebox side-plate | Feuerbüchsseitenwand |
| transp., mater.sc. | firebox throat plate | Feuerbüchsvorderwand |
| transp., mater.sc. | firebox throat sheet | Feuerbüchsvorderwand |
| mater.sc., mech.eng. | firebox-tube plate | Feuerbüchsrohrwand |
| transp. | locomotive without firebox | feuerlose Lokomotive |
| transp., mech.eng. | outer firebox | Stehkessel |
| transp., mech.eng. | outer firebox | Feuerbüchsmantel |