· bolt is used as an injection rod for grouting purposes. ith the future that the lost drilling bit is predesigned with holes to aid grouting. This unique fca- ture makes construction

Page 1 <img data-url='document/bolt-is-used-as-an-injection-rod-for-grouting-purposes-ith-the-future-that-the.html?page=1' data-page='1' class='cut-thumb lazyload' alt='Page 1: · bolt is used as an injection rod for grouting purposes. ith the future that the lost drilling bit is predesigned with holes to aid grouting. This unique fca- ture makes construction' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader034.cupdf.com/reader034/viewer/2022042121/5e9bb6780f52e32cea65392c/html5/thumbnails/1.jpg' width='140' height='200' /> Page 2 <img data-url='document/bolt-is-used-as-an-injection-rod-for-grouting-purposes-ith-the-future-that-the.html?page=2' data-page='2' class='cut-thumb lazyload' alt='Page 2: · bolt is used as an injection rod for grouting purposes. ith the future that the lost drilling bit is predesigned with holes to aid grouting. This unique fca- ture makes construction' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader034.cupdf.com/reader034/viewer/2022042121/5e9bb6780f52e32cea65392c/html5/thumbnails/2.jpg' width='140' height='200' /> Page 3 <img data-url='document/bolt-is-used-as-an-injection-rod-for-grouting-purposes-ith-the-future-that-the.html?page=3' data-page='3' class='cut-thumb lazyload' alt='Page 3: · bolt is used as an injection rod for grouting purposes. ith the future that the lost drilling bit is predesigned with holes to aid grouting. This unique fca- ture makes construction' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader034.cupdf.com/reader034/viewer/2022042121/5e9bb6780f52e32cea65392c/html5/thumbnails/3.jpg' width='140' height='200' /> Page 4 <img data-url='document/bolt-is-used-as-an-injection-rod-for-grouting-purposes-ith-the-future-that-the.html?page=4' data-page='4' class='cut-thumb lazyload' alt='Page 4: · bolt is used as an injection rod for grouting purposes. ith the future that the lost drilling bit is predesigned with holes to aid grouting. This unique fca- ture makes construction' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader034.cupdf.com/reader034/viewer/2022042121/5e9bb6780f52e32cea65392c/html5/thumbnails/4.jpg' width='140' height='200' />

· bolt is used as an injection rod for grouting purposes. ith the future that the lost drilling bit is predesigned with holes to aid grouting. This unique fca- ture makes construction

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