三. Bottle Design Features 2. Finish and Closures ⚫ Finishes are broadly classified according to diameter ,sealing method, and special features. Continuous-thread (CT), lug, crown, threaded-crown, and roll￾on are common finish designs. ⚫ Closures are based on the cost, utility, and decoration thread profile has a curved or partially semicircular profile三. Bottle Design Features 2. Finish and Closures ⚫ Finishes are broadly classified according to diameter ,sealing method, and special features. Continuous-thread (CT), lug, crown, threaded-crown, and roll￾on are common finish designs. ⚫ Closures are based on the cost, utility, and decoration thread profile has a curved or partially semicircular profile