I wanted to create a bill that produces prosthetics automatically once there is an injury or health condition.

More specifically, I want to produce a cochlear implant once a colonist is missing an ear or has hearing loss. I've successfully managed to produce an implant for each case, but if a colonist has hearing loss on both ears due to old age, it only counts it once.

My alternative option would be to create a bill that counts injuries once and a separate bill that produces hearing aids twice for each case of hearing loss.

My question though is, can I set up the filter for a single bill, to count each missing ear and each ear for hearing loss?