about /SCIENCE,ENG-MECHANICAL/
[DE] Schlauchstutzen
[EN] tailpiece
[FR] about
about /ENERGY-MINING/
[DE] Schachtinstandhaltung; Schachtunterhaltung
[EN] shaft maintenance
[FR] about
about,about de tôle /TECH/
[DE] Stoss
[EN] butt
[FR] about; about de tôle