div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=-dth-drilling-is-primarily-percussive-drilling-using-the-energy-imparted-by-thehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: · DTH drilling is primarily percussive drilling using the energy imparted by the hammer piston to the rock to dril rig blow air through to ensure all internal parts are lubricated loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsnetreader030viewer20220218035b94f9a009d3f2d7438ba268html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=-dth-drilling-is-primarily-percussive-drilling-using-the-energy-imparted-by-thehtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: · DTH drilling is primarily percussive drilling using the energy imparted by the hammer piston to the rock to dril rig blow air through to ensure all internal parts are lubricated loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsnetreader030viewer20220218035b94f9a009d3f2d7438ba268html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=-dth-drilling-is-primarily-percussive-drilling-using-the-energy-imparted-by-thehtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: · DTH drilling is primarily percussive drilling using the energy imparted by the hammer piston to the rock to dril rig blow air through to ensure all internal parts are lubricated loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsnetreader030viewer20220218035b94f9a009d3f2d7438ba268html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=-dth-drilling-is-primarily-percussive-drilling-using-the-energy-imparted-by-thehtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: · DTH drilling is primarily percussive drilling using the energy imparted by the hammer piston to the rock to dril rig blow air through to ensure all internal parts are lubricated loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsnetreader030viewer20220218035b94f9a009d3f2d7438ba268html5thumbnails4jpg width=140 height=200 divdiv
