kimiakelas1a resteemedsirajalfa (32)in #improvements • 6 years ago • 6365.9844Improvementskimiakelas1a (25)in #introducemyself • 6 years ago • 6365.4385Training k3My akun name is chemical class, I'm a student of Politeknik negeri Lhokseumawe, mojor chemical engineering. This…