Akwai manyan nau'o'i shida na robobi da aka saba amfani da su, polyester (PET polyethylene terephthalate), polyethylene mai girma (HDPE), polyethylene mai ƙarancin yawa (LDPE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS). Amma, kun san yadda ake gane waɗannan...
Kara karantawa