http://172.19.1.196:8983/solr/secweb/select?q=economical arched OR "economical arched" OR "cost-effective curved" OR "cost-effective bent" OR "thrifty curved" OR "thrifty bent"&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&start=10&rows=10
engineering, sanitary engineering, environmental engineering, and also economical and financial engineering; and also to operate a business in improving projects that are relating or affecting natural resources