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Complex mathematical equations on a dark chalkboard reflected in low light ambiance

colorful valves canalization

Pipe

derivatives word or concept represented by wooden letter tiles on a wooden table with glasses and a book

Hands of a man tearing a piece of paper with inscription derivation

Modern Electrical Derivations Organization with Labeled Devices for Technical Compliance

oil tanker

valve

A detailed chalkboard filled with complex mathematical equations and symbols, representing intense academic study and intellectual pursuit in a university setting.

photo of a hydroelectric dam releasing water for power generation.

Valve for pumping oil

gas pipe

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