Trash cans, especially if used in the kitchen to dispose food, absolutely need a lid to prevent houseflies from laying eggs and procreating more flies on the rotting food (if someone forgets to take the trash out daily). My wife has a compromised immune system (Lupus), so I have to try to remember to take the trash out every single day. That is becoming more difficult as my dementia increases. But, since this is the ELECTRONICS HOMEWORK HELP forum, I cannot reveal my solution to the imputed problem. No double secret probation for me! Vee half other means...