<div class="btn-group btn-group-toggle d-flex" ngbRadioGroup name="preload" formControlName="preload">
              <label class="btn-outline-primary" ngbButtonLabel>
                <input type="radio" ngbButton [value]="0"> None
              </label>
              <label class="btn-outline-primary" ngbButtonLabel>
                <input type="radio" ngbButton [value]="1"> Hatch Panel
              </label>
              <label class="btn-outline-primary" ngbButtonLabel>
                <input type="radio" ngbButton [value]="2"> Ball
              </label>
            </div>
          </div>