div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentsmxreader042viewer20220308215b3564ac7f8b9a6b548d24e0html5page1jpg target=_blank img data-url=-the-purpose-of-the-event-was-to-promote-public-awareness-of-electrical-gashtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: · The purpose of the event was to promote public awareness of electrical gas lift and escalator safety and energy efficiency slogan competition for gas safety loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsmxreader042viewer20220308215b3564ac7f8b9a6b548d24e0html5thumbnails1jpg width=140 height=200 adivdiv