Dab tsi yog cov yam ntxwv tseem ceeb ntawm high-rise steel qauv vaj tsev?

(1) Lub teeb tus kheej qhov hnyav
(2) Kev ua haujlwm zoo seismic
(3) Qhov chaw siv tau zoo heev
(4) Kev tsim kho ceev ceev
(5) Kev ua haujlwm tsis zoo ntawm hluav taws