Anh
vertical hair
vertical wire
Đức
Vertikalstrich
senkrechter Faden
senkrechter Strich
Pháp
fil vertical
ligne de foi verticale
vertical hair,vertical wire /SCIENCE/
[DE] Vertikalstrich; senkrechter Faden; senkrechter Strich
[EN] vertical hair; vertical wire
[FR] fil vertical; ligne de foi verticale