One of outer and inner rings is a fastening ring (1) with a groove, and the other ring is a metal ring (2).The fastening ring (1)is a slant structure that is matched with a human penis operation position.

A cylindrical metal ring (32) is fitted over the peg (16).

The mobile terminal comprises an antenna body and a metal ring.

A metal ring (2) is provided on a laminated ceramic substrate (1).

The holder (16) comprises a metal ring (26) surrounding the burner (12).

A tension bar ring metal (5E) made of a ring metal member is arranged at the tip of the tension bar (5) extending rearward.

The condenser microphone comprises a case, a metal ring, a back plate, a thin spacer, a cylindrical insulating ring, a diaphragm member, an annular conductive ring, and a PCB.

An annular seal comprising a metallic ring having a cross section.

A metal ring (2) and a metal cover (3) are provided on a substrate (1); the metal ring (2) is secured to the substrate (1) by soldering; and the metal cover (3) is welded along the metal ring (2).

The adapter for an endovascular device includes a body, a conductive metal ring and a conductive wire.

In another aspect, a metal ring is attached to the first stiffener surface.

The support for the samples shall be a metallic ring (figure 1).

At least a part of a metal ring (17) is embedded in a portion that is fitted into the at least one end of the inner ring member (5) or the outer ring member (3).

A first wire binding element 6a joins an upper portion of the cover and pages and a second wire binding element 6b joins a lower portion of the cover and pages.

A thin ring of metal fitted around a tooth and cemented in place.