In addition to the more common hazards such as a slippery floor or a dirty rug,/ these other concerns include poor lighting, noise, poorly designed furniture, and (equipment and machines emitting gases when improperly maintained) 에서 뒤에 주절부터 and 뒤에있는게 include에 걸려있는거 같은데요

()부분에서 동명사의 주체가 될려면 소유격이 되야하는거 아닌가요?