Well are88, I have no idea about your apartment recycling, but yes can answer your first question. Most of the plastic products like bottles, canes etc are assigned with a specific number specially at there bottom assigned according to its property and method of recycling. Number 1 plastic products include PET such as Soft drink bottles, 2 is of HDPE plastics such as water pipes and so on.... thus it helps in distinguishing recycling techniques used to recycle them!! Hope it helps you!!
