D2D Jharkhand Notes
D2D Jharkhand

D2D Jharkhand Notes

POLYTECNIC MATERIAL June 19, 2026

Engineering Chemistry Atomic Structure: Includes fundamental particles, Bohr's theory, orbits/orbitals, Pauli…

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Concrete Technology
4TH SEMESTER

Concrete Technology

POLYTECNIC MATERIAL July 21, 2025

UNIT - 01 Cement: Composition and Grades Chemical Composition of Cement Portland cement is primarily made by heating a…

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