progressive collapse
progressiewe instorting / progressiewe ineenstorting
uwohlozosakhiwo / udilizosakhiwo ngokuwohloza
kudzilita ngekushiyashiyana
igirikobuthelelano / ibhurukobuthelelano
phutlhamisotatelano / phomotatelano
phušollotatelano
vhupwashiphirela
mbindzimukonandzelelano