The applied force should be measured accurately in hydraulic devices while?

In which place thermo electric pre stressing found to be more economical?

In post tensioning, the concrete units are cast by _______

The commonly used mechanical devices used in the following statement.

The long span decks are fabricated by _______

The Hoyer’s system of prestressing proves to be economical for _______

The chemical pre stressing is also called as _______

After the tensioning operation, the space between the tendons and the ducts are _______