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Stairs:-A series of steps arranged toconnect one oor to another

is called stair. Tread:- The horizontal upper part of astep on which foot is place iscalled tread.Riser:-

 The vertical portion of a step

providing support to the treadis called riser.

STAIR CASE

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String stringer :-

 Sloping sla! or wooden "e"!ers inwooden stair case providing support tothe steps is called string or stringers.

#light:-

A series of steps without an$ platfor"!rea% or landing is called ight.landing:-

A platfor" or resting place provided!etween two ights is called landing.

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&aluster:- It is a wooden or "asonr$vertical "e"!er supporting ahandrail.'ewel post:-It is a wooden or "etalic postsupporting the handrail ( is usuall$provided at the hand) foot or at points

where the !alusters change there

*andrail:-

 The$ are provided to give support tothe user. It is supported on !alusters( run parallel to the slop of the stair.

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 TI+&ER STAIR CASE,,

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+ETA STAIR CASE,..

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R.C.C STAIR CASE,..

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 T$pes of stair case,..

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/0 E0

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/1E' 2E

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'E2E 34ARTER T4R',..

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0E/+ETRICA 34ARTER T4R',..

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0E/+ETRICA *A# T4R',..

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&I#4RCATE,..

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S1IRA,..

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*EICA,..