Angular 6 Random display card

I display data from firebase. I want show my card in random order when i change value of a form or refesh the page. It is possible ?

//Component.html

<ng-container *ngFor="let geoToDisplay  of geosToDisplay | async" >
<ng-container  *ngIf="toppings2.value.includes(geoToDisplay.esSos)">
<ng-container  *ngIf="toppings.value.includes(geoToDisplay.typeSos)">
  <div class="col"  >
   <mat-card >BLABLA
   </mat-card>
  </div>
</ng-container> 
</ng-container>
</ng-container >