draw a block diagram of a vending machine and explain each block

Explain this and elaborate

D Question 32 The diagram shown is that of a L1 Pressure switch Manual pushbutton 120 VAC Temperature switch O hardwired relay schematic. ladder logic program. O input module schematic. O output module schematic. M Motor starter coil OL L2

To get the best reading on a GPS, the device needs to locate:a. Three GPS satellites b. Seven GPS satellites c. Two GPS satellites d. Four GPS satellites

1-What phrase is used when a substitution is permitted for a specific item? 2-The specifications state that all work shall be done... 3-What phrase is used when a substitution is permitted for a specific item? 4-What is the purpose of an electrical symbol? 5. Where are notations found?