1. Chapter 7 : The technological world
Links and guiding controls

2. What is a LInk?
A link is anything that helps connect two or more parts of a technical object together.
Type of links
Non-removable and removable links
Complete and partial links

3. Non-removable links
A non-removable link is one that cannot be removed without damaging the pieces that have been combined

4. Removable links
A removable link is one that can be removed: the linked parts can be separated without damaging the object’s parts.

5. Complete links
Complete links are a type of link that do not allow any movement

6. Partial links
Partial links are a type of link that allow the parts to move

7. Guiding control
A guiding control is a device that controls the motion of a technical object’s moving parts.
Type of guiding control
Translational guiding control
Rotational guiding control
Helical guiding control

8. Translational guiding control
Control direct parts that need to travel in a straight line only

9. Rotational guiding control
Control directs parts as they turn or rotate

10. Helical guiding control
Direct the motion of a part around and along an axis