The cables are formed by arrangement of wires or strands in _______

In Lee-McCall system, the prestressing tendons are in the form of _______

The thermo electric pre stressing, initial stress in tendons ranges between _______

The suitability of post tensioning is good for _______

The linear expansion of the cement in chemical pre stressing is about _______

The use of bar tendons with threaded anchorages reduces the possibility of _______

The tendons in the pretensioning system are tensioned between _______

The hydraulic jacks are the simplest and most widely used devices for providing prestress of _______