 roying shells choose saadharanamga e padaartham upayoginchabadutundi ?
 nijaniki chekkatho tayyaru cheyabadina ,  penkulu ippudu dadapu allappuduu balm mariyu baruvu payojanaala choose misrama padaartham  ( saadharanamga tenegudu padaarthamthoo koodina shaand ‌ weetch ‌ thoo corbon - fiber rein ‌ forced plaastic ‌ thoo koodina double skin )  nundi tayyaru cheyabadathaai .  prapancha roying niyamaalu boats yokka prathi taragatiki kaneesa baruvulanu nirdesistaayi ,  tadwara khareedaina padaarthaalu ledha saankethika parijnaanaanni upayoginchadam dwara e vyaktigata jattu kudaa goppa prayojananni pondadu .
 roying shellu ippudu saadharanamga corbon - fiber nundi tayyaru cheyabaddaayi .