Pneumatic tube system.

1. systems that propel cylindrical containers through networks
of tubes by compressed air or by partial vacuum.
They are used for transporting solid objects, as opposed
to conventional pipelines, which transport fluids.
Many hospitals have pneumatic tube systems which send
samples
to laboratories.
Blood preservations are transported, where weight and
transport duration matter as well as preventing hemolysis
caused by centrifugal and accelerating forces.
Pneumatic tube systems are also used in hospitals to

18. Presented by:
Ahmed Abd El-Moniem El-Sayed
Amer
Ahmed Khaled Abd El-Aziz
Mohamed Saad Ahmed
Abd El-Rahman Ahmed Gad
Ahmed Kamal Mohamed
Ahmed Khaled Ahmed
Mohamed Shaban Abu Warda
Ahmed Mostafa Farag
Osama Ahmed El-Mhs
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