Before you read the passage,talk about these questions. 1 What are some layers that might be in an electronic device? 2 What is one way different layers in devices are held together?
Listen and read the textbook excerpt again. What do arrows near screws mean in layered electronics?
Listen to a conversation between an instructor and a student. Mark the following statements as true (T) or false (F). 1 _ The woman has troubling telling the difference between screws. 2 _ There were no arrows on the first layer. 3 _ Screws without arrows should be removed.
Use the textbook excerpt and the conversation from the dialogue to fill out a tip sheet for technicians. Include what layers an electronic device might have, and what holds them together.
