Anh
rectangular cross-section
rectangular support
squarework
Đức
Rahmenausbau
Türstockausbau
Pháp
cadrage
rectangular cross-section,rectangular support,squarework /ENERGY-MINING/
[DE] Rahmenausbau; Türstockausbau
[EN] rectangular cross-section; rectangular support; squarework
[FR] cadrage