http://172.19.1.196:8983/solr/secweb/select?q=significant class OR "significant class" OR "important PTT" OR "important Petroleum Authority of Thailand" OR "substantial PTT" OR "substantial Petroleum Authority of Thailand"&wt=json&indent=true&facet=true&facet.field=key_filetype&facet.field=key_sitemap&facet.field=system_name&facet.field=key_keywords&hl=on&hl.fragsize=200&hl.fl=id,title_th,searchcontent_th&defType=edismax&qf=searchcontent_th&qf=id&qf=title_th^1000000&pf=title_th~5^1&pf=searchcontent_th~5^10000&ps=2&mm=100&qf=title_th_default&fq=key_sitemap%3Ainvestor&start=0&rows=10
identify as early as possible problems that put significant investment value at risk. If they have concerns they should seek to ensure that the appropriate members of the investee company’s board or