div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentcomputer-controlled-weights-on-roof-to-reduce-move-me-nt-computer-controlledhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Computer-controlled weights on roof to reduce move me nt Computer-controlled weights on roof to reduce move me nt Steel frames which can sway during earth movements Automatic loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer20220518045fec785be133e31b4a69ef47html5thumbnails1jpg width=140 height=200 divdiv