http://172.19.1.196:8983/solr/secweb/select?q=cement practice OR "cement practice" OR "concrete training" OR "concrete drill" OR "mortar training" OR "mortar drill"&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
guidance on how these principles can be approached and may be delivered. While practice will vary in detail between national markets, the principles that underlie high standards are constant. Good practice