div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentunder-the-load-of-a-passing-train-the-bal-lastfoam-system-yields-and-once-thehtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · Under the load of a passing train the bal- lastfoam system yields and once the train has gone by it returns to its original posi- tion The individual ballast stones are loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader031fdocumentsnetreader031viewer20220415015e222b7db7550050db0c8ef6html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentunder-the-load-of-a-passing-train-the-bal-lastfoam-system-yields-and-once-thehtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: · Under the load of a passing train the bal- lastfoam system yields and once the train has gone by it returns to its original posi- tion The individual ballast stones are loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader031fdocumentsnetreader031viewer20220415015e222b7db7550050db0c8ef6html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentunder-the-load-of-a-passing-train-the-bal-lastfoam-system-yields-and-once-thehtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: · Under the load of a passing train the bal- lastfoam system yields and once the train has gone by it returns to its original posi- tion The individual ballast stones are loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...