Anh
putlog
putlog hole
pigeon hole
Đức
Ruestbalken
Rueststange
Gerüstloch
Rüstloch
Vogelloch
Pháp
boulin
[DE] Ruestbalken; Rueststange
[EN] putlog
[FR] boulin
[DE] Gerüstloch; Rüstloch
[EN] putlog hole
[DE] Vogelloch
[EN] pigeon hole