Person carrying milk in metal container

Carved wood and brass handle.

Brass door with studs, close-up

Brass swirl motif, close-up

Section of metal door with coat of arms, close-up

Wrought iron design, close-up

Wooden door with brass studs, close-up

Ornate gold gate, close up.

& text, chipped away on metal surface

2 text, painted.

Steel wool, extreme close-up

2 text, embossed in metal plate

Rolling garage door

Blueprint and metal pipe

Businessman reflected on car door

Elevator doors.

Christian monogram engraved in metal

Child's toys on top of metal trunk

Chinese door knocker, low angle view, close-up

Closed doors with posters on door and banner overhead, China

Architectural detail, metal wall

Elevators

Two businessmen waiting by elevator door

Metal and glass door with handle, close-up

Door handle, artwork

Pink hues superimposed on a metal door

Close-up of text superimposed on a metal door

Artifacts - Metal - Germany Plate of a Knocker. 15th century

Patterns & Motifs - Germany - line art Part of the Iron Mountings of the Door of a Church at Bruck c. 1495

Artifacts - Relief - Italy From Lorenzo Ghiberti`s (1378-1455) second bronze Baptistery Gate at Florence. Finished 1447. The artist was born in the year of the Great Schism that saw two Popes (one in Rome, the other in Avignon France) contest the rule o

Close-up of a dental drill

Artifacts - Relief - Italy The Creation of Eve. From Lorenzo Ghiberti`s (1378-1455) second, bronze Baptistery Gate at Florence. The artist was born in the year of the Great Schism that saw two Popes (one in Rome, the other in Avignon France) contest the

Close-up of hands holding a key

Japanese and American Euro coins

Euro sign on change slot

Hand with claws emerging from computer screen, digital composite.

Metal door.