Ifeni ephathekayo iyifeni ehambayo enevolumu ephezulu. Kwezinye izindawo ezithile, ifeni yophahla lwe-HVLS ayikwazi ukufakwa phezulu ngenxa yesikhala esilinganiselwe, i-MDM iyisisombululo esifanele, umkhiqizo ulungele izindlela ezincane, uphahla oluphansi, izindawo zokusebenza ezixineneyo, noma izindawo ezinomoya ophakeme othize.