| |||
| Feuerbuchskessel | |||
| Sonnenkessel mit Hohlraum-Absorber | |||
| Grosswasserraumkessel m; Rauchrohrkessel n | |||
| Zylinderkessel m | |||
|
shell boiler : 11 phrases in 7 subjects |
| Agriculture | 2 |
| Coal | 1 |
| General | 1 |
| Materials science | 2 |
| Mechanic engineering | 1 |
| Metallurgy | 2 |
| Transport | 2 |