यसरी त इन्जिनियर के बन्नु

बिहान 10 बजे उठेर,चाउचाउ चबाउदै पो क्लास जानू,घरमै आमाले मीठो मीठो खुवाएर ,आनन्दले तइन्जिनिएर के बन्नु।हेर्दै जङगलि जस्ता केटा नै केटासग बौला पारामा हल्लिन पो …

Dam

A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as …

PYROLYSIS

Pyrolysis is a process which involves thermochemical decomposition of organic matter at high temperature (>370◦C) in the absence of oxygen. Products of this process are …