High tensile bars threaded at the ends are used in

1.	High tensile bars threaded at the ends are used in
A.	Freyssinet system
B.	Gifford-Udall system
C.	Lee-MeCall system
D.	Magnel-Blaton system
Answer» D. Magnel-Blaton system

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High tensile bars threaded at the ends are used in

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