A sua pesquisa - communication communications ((case dimensions) OR (scale dimensions)) aec file - não corresponde a nenhum registo.

Talvez deva tentar algumas variações de ortografia:
communication communications » communication communication, communication communicating, communications communication
scale dimensions » space dimensions, style dimensions, scene dimensions
case dimensions » based dimensions, class dimensions, core dimensions
aec file » a file, sdc file

Pode obter mais resultados ajustando a pesquisa.