sight glass /SCIENCE,ENG-MECHANICAL/
[DE] Schauglas
[EN] sight glass
[FR] voyant
sight glass /IT-TECH/
[DE] Sichtvorratsanzeiger
[EN] sight glass
[FR] indicateur visuel de niveau
sight glass /IT-TECH,TECH/
[DE] Schauglas
[EN] sight glass
[FR] niveau visible
glass sight funnel,sight glass /FOOD/
[DE] Schauglas
[EN] glass sight funnel; sight glass
[FR] jauge visuelle du gobelet; viseur