Figure 3-22. - Different styles of truss shapes.

Figure 3-26. - Roof purlin.

Figure 3-27. - Ridge struts.

Figure 3-23. - Wall girt.

Figure 3-28. - Wall girt.

Another longitudinal member similar to purlins and girts is an cave strut. This member is attached to the column at the point where the top chord of a truss and the column meet at the cave of the structure. (See fig. 3-29.)

There are many more steelworking terms that you will come across as you gain experience. If a term is

Figure 3-24. - Diagonal braces-bottom chord plane.

Figure 3-29. - Eave strut.

Figure 3-25. - Sway frame.