Check out example codes for "can a html table have multiple tbody". It will help you in understanding the concepts better.

Code Example 1

You can create multiple sections within a table by using multiple <tbody> 
  elements. Each may potentially have its own header row or rows; however, 
  there can be only one <thead> per table!
  
<table>
    <thead>
        <tr><th>Customer</th><th>Order</th><th>Month</th></tr>
    </thead>
    <tbody>
        <tr><td>Customer 1</td><td>#1</td><td>January</td></tr>
        <tr><td>Customer 1</td><td>#2</td><td>April</td></tr>
        <tr><td>Customer 1</td><td>#3</td><td>March</td></tr>
    </tbody>
    <tbody>
        <tr><td>Customer 2</td><td>#1</td><td>January</td></tr>
        <tr><td>Customer 2</td><td>#2</td><td>April</td></tr>
        <tr><td>Customer 2</td><td>#3</td><td>March</td></tr>
    </tbody>
    <tbody>
        <tr><td>Customer 3</td><td>#1</td><td>January</td></tr>
        <tr><td>Customer 3</td><td>#2</td><td>April</td></tr>
        <tr><td>Customer 3</td><td>#3</td><td>March</td></tr>
    </tbody>
</table>

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