Anh
blocking
lock
Đức
Blockierung
Sperrung
Pháp
blocage
braquage
formation de blocs
obstruction
verrouillage
blocage,braquage,formation de blocs,obstruction,verrouillage /SCIENCE/
[DE] Blockierung; Sperrung
[EN] blocking; lock
[FR] blocage; braquage; formation de blocs; obstruction; verrouillage