div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=preliminary-task-constructionhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Preliminary task - Construction loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentssitereader036viewer202206241955938cbc1a28ab30328b458dhtml5thumbnails1jpg width=140 height=200 divpFront Coverpdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=preliminary-task-constructionhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Preliminary task - Construction loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentssitereader036viewer202206241955938cbc1a28ab30328b458dhtml5thumbnails2jpg width=140 height=200 divpContents Pagepdiv