- Button with 'A lock with a water drop' icon - This button is used to lock certain functions of the water heater. Pressing it will lock the relevant settings or functions.
- Button with 'A wrench' icon - This button is for entering maintenance or setup mode of the water heater. Pressing it allows the user to access or adjust settings related to maintenance and configuration.
- Button with 'A square with a horizontal line in the middle' icon - This button switches the heating mode of the water heater or acts as a power switch. Pressing it will either start or turn off the water heater.
Could you enumerate all functional components (buttons, knobs, etc.) present in this appliance panel image and explain their respective functions?
- Button 'a plus sign (+)' - This button increases the water temperature or the set value. Pressing it will raise the temperature setting of the water heater.
- Button 'A square with a dot in the center' - This button switches the modes of the water heater. Pressing it will cycle through the different operational modes available.
- Button 'A red square with a white dot inside' - This button lowers the water temperature. Pressing it will decrease the temperature setting of the water heater.
- Button 'Power button' - This button turns the water heater on or off. Pressing it will toggle the power supply to the water heater.
To determine the number of elements in each description and the number of common elements between them, let's break down the analysis as follows:
### First Description
1. **Button with 'A lock with a water drop' icon** - Used to lock certain functions.
2. **Button with 'A wrench' icon** - Entering maintenance or setup mode.
3. **Button with 'A square with a horizontal line in the middle' icon** - Heating mode switch or power switch.
This results in **3 elements** in the first description.
### Second Description
1. **Button 'a plus sign (+)'** - Increases water temperature.
2. **Button 'A square with a dot in the center'** - Switches modes of the water heater.
3. **Button 'A red square with a white dot inside'** - Lowers water temperature.
4. **Button 'Power button'** - Turns the water heater on or off.
This results in **4 elements** in the second description.
### Common Elements
- **Button with a square icon**: In the first description, we have **Button with 'A square with a horizontal line in the middle' icon** as a power switch, while in the second description, there's a **Button 'Power button'**. Despite both descriptions referring to power functionalities, the icons described are different. Thus, there technically are **0 common elements** based on the specific descriptors provided in each description.
Therefore, the counts are:
- A = 3 (elements in the first description)
- B = 4 (elements in the second description)
- C = 0 (common elements based on the descriptors provided)
Final output:
```
[3, 4, 0]
```