Want this question answered?
name of the materials
The current (1973) bridge is a prestressed concete box girder bridge.
it was made out of iron and steel
Steel and stone.
* Steel * Concrete
boggies
metal(steel), bricks, concrete
If technology you mean "materials"that was used for the bridge, then I found a good answer on Yahoo! answers, just type in this: "What materials were used to make the golden gate bridge?" The question is answered by Horatio, and he had a pretty good answer.
They used prestressd concrete and steel
Words that can be made from the letters in 'Severn' are:eve, eveseveneverneenerve, nervesneverseeseenseerservesevenseversneerveer, veersverse
The current London Bridge is a pre-stressed concrete box girder bridge.
cardboard,thermocol,4 motor's ,ice-cream sticks,thread(black)