15 Problem Statement-many complaints about gas (patrol cap). It gets dirty, make hands smell like gasoline, turn check engine light on when not firmly twisted or forget to close it up. tof estion 1. Identify the contradiction(s). Which feature is to be improved and which feature will worsen? 2. Look at the list of the 39 features and identify important ones to your contradiction (by giving the number of feature) 3. Refer to the TRIZ Contradiction Matrix to learn which of Principles may be useful for this problem. Paragraph BLEE A