tmp2

some-form.component.html

<form (ngSubmit)="onSubmit(f)" #f="ngForm">
  <label for="name">Name</label>
  <input type="text" id="name" name="name" ngModel>
  <br>
  <label for="type">Type</label>
  <input type="text" id="type" name="type" ngModel>
  <br>
  <button type="submit">Submit</button>
</form>

<hr>
<div *ngFor="let row of rows.controls">
  <input type="text" placeholder="{{row.value['value']}}">
  <input type="text" placeholder="{{row.value['another']}}">
  <hr>
</div>

<!-- FormGroup som Caspers https://medium.com/@ramya.bala221190/very-simple-example-to-understand-angular-formarray-bca0e0030359
 https://angular.io/guide/reactive-forms
 -->