concrete, wood, & metal...& money
iron, steel, concrete, stone, wood, and composites are the most common materials used in bridge construction!
Steel and concrete.
The most common materials used in bridge building are generally steel or concrete for larger bridges, and stone or wood for smaller bridges.
swing bridge
Aluminium and steel Alloys are the most common bicycle materials.
over large areas
The materials that are used to build a cantilever bridge are typically structural steel, iron, and also prestressed and reinforced concrete. The materials listed create the multiple parts of the bridge. These include the trusses, vertical columns, box girders, and most importantly, the cantilever itself.
The most common bidding response to an opening bid of 2 clubs in the game of bridge is a bid of 2 diamonds.
The most common materials used for manufacturing bike spokes are stainless steel, aluminum, and titanium.
external forces and internal forces
The most common route of entry for hazardous materials is inhalation, closely followed by skin contact.http://wiki.answers.com/What_is_the_most_common_route_of_entry_for_hazardous_materials#ixzz1tCem38SH
computer science