inspection pit /ENERGY-MINING/
[DE] Besichtigungsgrube; Untersuchungsgrube
[EN] inspection pit
[FR] fosse de visite
inspection pit
[DE] Kontrollschacht
[EN] inspection pit
[FR] regard de visite
inspection pit /ENG-MECHANICAL,BUILDING/
[DE] Kontrollschacht
[EN] inspection pit
[FR] regard de visite