1. A na-ejikarị akwa akwa iko iko eme ihe dị ka ihe mgbagwoju anya iji meziwanye ihe, ihe mkpuchi ọkụ eletrik na ihe mkpuchi ọkụ, osisi subgrade eletrik na mpaghara ndị ọzọ na-elekọta mmadụ na akụ na ụba.
2, Glass eriri ákwà na-bụ-eji na aka mado akpụ usoro, iko eriri ákwà bụ tumadi ji ụgbọ mmiri hull, nchekwa tank, iko ígwè jụrụ ụlọ elu, ụgbọ mmiri, ụgbọ ala, tank na na.
3, Glass fiber akwa na-ọtụtụ ebe na-eji mgbidi mma, mpụga mgbidi mkpuchi, mpụga mgbidi waterproof na akụkụ ndị ọzọ, nwekwara ike-eji na ciment, plastic, leaching, eke marble, Moses na ndị ọzọ mgbidi ihe ndozi, bụ ezigbo engineering ihe na ụlọ ọrụ ihe owuwu.