8 Comments. 1  Good article and beautiful snake pictures. 2  Thereâs the coral snake and its non-venomous look-alike, the king snake. 3  Hog nose snakes (puff adders) meet pretty much all of these traits listed but are not considered venomous (to humans).
Buzzer or Ringer. When the radio components of the handset receive the ringer signal from the base, they send electrical signals to the buzzer. The buzzer changes those electrical signals into sound much like the speaker does. You hear the buzzer sound and know that someone is calling you.
Important note: âBell ringersâ¦ are only important if they add to your content, engage the students and are valued by both the student and the teacher. If the students suspect that your bell ringer is only a means to keep them quiet, they wonât take bell ringers seriously.