An eighteenth century drawing of a typical naval gun and its truck carriage. Weapons of this type were a mainstay of naval warfare from the introduction of gunpowder until well into the nineteenth century.
Shed Plans - The Pallet Shed! Oh the possibilities with a cool shed like this, private reading/social cottage, green house, shaded play area. =D Now You Can Build ANY Shed In A Weekend Even If You've Zero Woodworking Experience!
You may refer to a truss as the rafter, but it's basically the skeleton of the roof, carrying the weight of the frame and supporting the walls of the building. Trusses are very important to preventing the walls from bending or flexing, more so.