http://general-terms.thesaurus.ekt.gr/vocabhttp://general-terms.thesaurus.ekt.gr/vocab?tema=10261civil engineering http://general-terms.thesaurus.ekt.gr/vocab?tema=10261 engineering BT http://general-terms.thesaurus.ekt.gr/vocab?tema=10261 sanitary engineering NT http://general-terms.thesaurus.ekt.gr/vocab?tema=10261 earthquake engineering NT http://general-terms.thesaurus.ekt.gr/vocab?tema=10261 construction engineering NT http://general-terms.thesaurus.ekt.gr/vocab?tema=10261 structural engineering NT http://general-terms.thesaurus.ekt.gr/vocab?tema=10261 hydraulic engineering NT