Examlex
How is it that Gram-positive cells are more resistant to complement than Gram-negative cells?
Throttle Valve
A valve that regulates the flow of air into the engine's intake manifold, controlling the engine's power and speed.
Airflow
The movement of air around or through objects, particularly relevant in contexts such as ventilation, aerodynamics, and cooling systems.
Engine
A machine designed to convert one type of energy into mechanical energy, powering various devices, especially vehicles.
Primary Section
The initial or first part of a system, process, or document that precedes all others and usually contains fundamental components or information.
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