Rhaid cynllunio adeiladau skyscraper i allu gwrthsefyll eu llwythi a'u llwythi eu hunain a dderbynnir o'r tu allan.
© Chloroformzt Official - Est 2009
10 Ffeithiau Diddorol About The physics and engineering of skyscrapers

10 Ffeithiau Diddorol About The physics and engineering of skyscrapers