Ojiji: A na-ejikarị ya eme ihe maka iko mmiri, iko, enamel, pulp akwụkwọ, ngwakọta refrigerant, ihe na-edozi ahụ, ihe na-egbu egbu, na-acha odo odo, ọgwụ nyocha, ọgwụ, nri na ihe ndị ọzọ
1. Chemical ụlọ ọrụ: rụpụta nke sodium sulfide sodium silicate iko mmiri
2. Akwụkwọ ụlọ ọrụ: eji na imewe nke sulfate pulp nri gị n'ụlọnga
3. Glass ụlọ ọrụ: dochie soda ash ime ngalaba-ihe mgbaze
4. Textile ụlọ ọrụ: igbunye vinylon concreting spinning
5. Laboratory na-asa nnu barium
6. Organic synthesis Laboratory post-nhazi desiccant
7. Igwe anaghị arụ ọrụ igwe, igwe igwe, wdg.