The width apart of rail tracks are set to the gauge of the trains and carriages that are allowed to run on those tracks. They are kept in position by wooden sleepers, though concrete sleepers are often used nowadays.
To keep them aligned.
The wooden or concrete railway sleeper (or railroad tie) is used as the base for the railway track to keep the tracks intact in its place In other words, wooden sleepers hold the rails to the correct gauge. Additionally, they absorb and distribute the weight of the train uniformly. swampesterswithin.blogspot.com
because when train comes in high speed it expands a little.for this reason railway tracks are laid
Railway tracks are laid on large sized wooden sleepers so that the thrust due to the weight of train is spread over large area .This reduces the pressure on the ground which would prevent the yielding of the ground
The large surface spreads the weight of the train (and tracks) over a broader area. The shape of the sleepers also helps to keep them firmly in place while trains are running on the tracks.
The wooden or concrete railway sleeper (or railroad tie) is used as the base for the railway track to keep the tracks intact in its place In other words, wooden sleepers hold the rails to the correct gauge. Additionally, they absorb and distribute the weight of the train uniformly. swampesterswithin.blogspot.com
The sleepers - provide a solid surface for the rails to be anchored to. If the tracks were just laid n the ground, they would move every time a train went over them.
There is a range of loveseat sleepers on the Bassett Furniture website and they have a large range of qualities and prices. Another supplier is rooms-to-go.
ArtVan Furniture is large furniture retailer in the midwest. Chances are they have sofa sleepers in stock.
Reclining sofas are indeed consider sleepers. There are many types and sizes to choose from. You should go check out bobsfurniture.com for a large selection and great prices.
That large nail is called a railroad spike.
it is a large wooden drum
No, it cannot be fixed. The amount of ozone is too large to be fixed.