cleft,riven /SCIENCE,INDUSTRY/
[DE] gespalten
[EN] cleft; riven
[FR] fendu à la dimension
check,cleft,crack,fissure,small crack,split /INDUSTRY,ENG-MECHANICAL/
[DE] Altersriss; Knick; Riss; Riss; Spalt
[EN] check; cleft; crack; fissure; small crack; split
[FR] craquelure; fissure; fêlure