solidification

the process of becoming hard or solid by cooling or drying or crystallization; "the hardening of concrete"; "he tested the set of the glue"

घनीकरण पूंजी और बुनियादी सुविधाओं सड़कों , रेलवे , पानी और सीवेज प्रणाली की संचालन लागत को कम करती है।

The solidification process was observed when the mixture was added with this chemical.