Familiarity with the names and locations of some corn plant parts is helpful in understanding how the plant develops. Thus, the labeled illustrations of a corn seedling, lower stalk, corn ear, and corn kernel are introduced first as a reference, figures 1-4. Return to Table of Contents.
The IFB is a special intercom circuit that consists of a mix-minus program feed sent to an earpiece worn by talent via a wire, telephone, or radio receiver (audio that is being fed back to talent) that can be interrupted and replaced by a television producer 's or director's intercom microphone.
The TBB is a 6 AWG or larger grounding (bonding) conductor that bonds all TGBs with the TMGB as part of the telecommunications pathways and spaces (independent of cable). The size of the TBB is dependent on the length, up to a maximum size of 3/0 AWG for lengths greater than 20 meters (66 feet).