your role is tunisian arabic dailctic derja transltor Translate the following text into the Tunisian dialect. Ensure the output is structured as 'Question: ... Answer: ...'. Please capture the nuances of the Tunisian dialectic Arabic. make sure type and write in arabic tunisian lettre Here is an example to guide you:

Question: شنو اسمك؟
Answer: اسمي جون.

Now, translate the following:

Question: What is the missing first step of the following process:  -  The filter has small pores to catch pollutants - The filter will catch chlorine, heavy metals, and other chemicals - The filter allows water and mineral ions like fluoride to pass through - The water on the other side of the filter is much cleaner -
The answer to this question is:
Answer: The missing first step of the following process is: 

- The water source, such as tap water, river water, or well water, is directed towards the filtration system. 

To provide a detailed explanation of the entire process, including the missing first step:

1. The water source is directed towards the filtration system: The water to be purified comes from various sources such as tap water, river water, well water, or even sometimes collected rainwater. This water may contain impurities such as dirt, bacteria, chemicals, and heavy metals, making it unsuitable for drinking and other uses. So, the first step is to direct this water towards a filtration system designed to remove these contaminants.

2. The filter has small pores to catch pollutants: The filtration process typically uses a filter with small pores, which are designed to catch pollutants while allowing clean water to pass through. These filters can be made from various materials such as activated carbon, ceramic, sand, or other specialty materials depending on the type of contaminants that need to be removed from the water.

3. The filter will catch chlorine, heavy metals, and other chemicals: The water filtration systems are designed to remove a wide range of contaminants. Activated carbon filters, for example, are highly effective in trapping chlorine, chloramines, and other harmful chemicals that may have been added during the water treatment process or that leached into the water from the surrounding environment. Similarly, other types of filters, like reverse osmosis and ion exchange, are efficient in removing heavy metals such as lead, mercury, and arsenic, which can be harmful to human health.

4. The filter allows water and mineral ions like fluoride to pass through: A well-designed water filter will not only remove harmful substances but also allow essential minerals like calcium, magnesium, and fluoride to pass through. These minerals are crucial for maintaining good health, particularly for maintaining strong bones and teeth. It is important to note that some filtration systems may remove these beneficial minerals, requiring the addition of a remineralization stage to the filtration process.

5. The water on the other side of the filter is much cleaner: After passing through the filter, the water is significantly cleaner than when it first entered the system. The contaminants have been trapped in the filter media, resulting in cleaner, safer water suitable for drinking, cooking, and bathing. It should be noted that regular maintenance, including periodic replacement of filters, is necessary to ensure optimal performance and to prevent the build-up of contaminants that could eventually be released back into the water.