Arther cleaning the tube end.
![[<< First]](../arlesimages/blue_first.gif){kind=small}
![[< Previous]](../arlesimages/blue_previous.gif){kind=small}
![[Next >]](../arlesimages/blue_next.gif){kind=small}
![[Last >>]](../arlesimages/blue_last.gif){kind=small}