A compound riveted girder is designed to bear a large load in a building or bridge, and is made of either iron or steel.

Compound Riveted Girder (side by side)

A compound riveted girder is designed to bear a large load in a building or bridge, and is made of either…

A compound riveted girder is designed to bear a large load in a building or bridge, and is made of either iron or steel.

Compound Riveted Girder (Vertical)

A compound riveted girder is designed to bear a large load in a building or bridge, and is made of either…

Enameling is an old and widely adopted technology. The ancient Egyptians applied enamels to pottery and stone objects. Enameling was also used to decorate glass vessels during the Roman period.

Reversible Enameling Cradle

Enameling is an old and widely adopted technology. The ancient Egyptians applied enamels to pottery…

An I-Beam girder is a load bearing beam of steel or iron. It is shaped like a capital letter I.

I-Beam Girder

An I-Beam girder is a load bearing beam of steel or iron. It is shaped like a capital letter I.

This illustration shows a light inverted bow-string girder, as well as a section.

Light Inverted Bow-String Girder (Elevation and Section)

This illustration shows a light inverted bow-string girder, as well as a section.

A trommel is a screened cylinder used to separate materials by size, separating the biodegradable fraction of mixed municipal waste or separating different sizes of crushed stone.

Mining Machine

A trommel is a screened cylinder used to separate materials by size, separating the biodegradable fraction…

A riveted steel plate girder is designed to bear a large load in a building or bridge, and is made of steel.

Riveted Steel Plate Girder

A riveted steel plate girder is designed to bear a large load in a building or bridge, and is made of…

This illustration shows a simple lattice girder.

Simple Lattice Girder (Elevator and Elevation)

This illustration shows a simple lattice girder.