You'll need to turn off the headphone mode on the iPhone so that you can hear and enjoy sound from the device again without having headphones attached. (Jocelyn Vodnik/Demand Media). Insert a pair of headphones into the headphone jack at the top of the phone.
Definition of CATALIN. : a thermosetting plastic made of a cast phenol-formaldehyde resin and marked by high compressive strength and ready machinability.ADVERTISEMENT. formerly a U.S. registered trademark. First Known Use: 1929.efinition of CATALIN. : a thermosetting plastic made of a cast phenol-formaldehyde resin and marked by high compressive strength and ready machinability. ADVERTISEMENT. formerly a U.S. registered trademark.
Catalin is a brand name for a thermosetting plastic popular in the 1930s. Chemically, it's a phenol formaldehyde resin. Catalin is a cast bakelite product, with a different manufacturing process (two-stage process) than other types of bakelite resins (without using fillers such as sawdust or carbon black).akelite is a material based on the thermosetting phenol formaldehyde resin, polyoxybenzylmethylenglycolanhydride developed in 1907â1909 by Belgian Dr. Leo Baekeland.