Although primitive, they were often effective, and were only overcome by the extensive use of siege engines and other siege warfare techniques, such as at the Battle of Alesia.
Ahuskat wa dazaran, aqalan agudiyan asohen əd aqalan awidan əs fal asišixil ən harkuk dǎɣ haratan wi siège əd diyad əmikan nakinas wan siège, sund ugud wa tanmigašt tan Alesia.