A method for manufacturing containers including providing a container having a first diameter; expanding the diameter of the container to a second diameter with at least one expansion die is disclosed. It detects and warns of plurality of life threatening conditions include smoke, fire, and poisonous gases like carbon monoxide. The antenna element comprises parallel rectilinear conductor elements extending from the respective terminals and connecting conductor elements for connecting these conductor elements. The nut may be rotated to achieve a desired tension on the strut to center the bearing compartment.