Disclosed are stabilized body care products, household products, textiles and fabrics which comprise certain sterically hindered amine salt compounds. When sensor calibration check is desired, a controlling unit opens a valve in order to subject a sensing element of the sensor to a supply of gas having a known gas concentration. The grounding tab has a U- or V-shape including first and second limbs. For each of the respective sub-patches of the local image patch, a respective histogram of ascertained contributions of the image forming elements in the ordinal rank feature space is built. A shackle is extended through the shackle openings and engages the lower curvature of the hitch ball such that the trailer hitch and the hitch ball are interposed between the lock bracket and the shackle. Defect source information is derived at the defect source identifier server in response to the defect inspection information.