काष्ठं कृतिश्च लोहं च जलजे पार्थिवं भवेत् |
अन्यदंभास्तदांयास्तु तिर्यग् ऊर्ध्वमदस्तदा ||३३||
वीजं स्वकीयं भवति यंत्रेषु जलजन्मसु |
तापाद्यं पूर्वकथितं वाहनिजं जलजे भवेत् ||३४||
संग्रहीतश्च दत्तश्च पूरिताः प्रतिनोदितः |
मरुद् वीजत्वमायाती यंत्रेषु जल जन्मसु ||३५||

Meaning:Timber & iron denote the element of earth,other elements constitute,water that moves in upward & downward motion forms the element of water,heat in this context is element of fire,airconditioning, assembling,transmitting, discharging & propelling from the element of air

A whole chapter of 230 stanzas detail principles of advanced vehicle dynamics used for travel and warfare such as submarines, amphibious vehicles, etc. It explains the ability to target visible or invisible objects, option to launch at operators will.

Notable features include uninterrupted functionality, tensile strength and durability, capability to operate in all 3 - air, water and earth. Movements ascribed to these machines are: ascending; cruising; descending.

Yantra Sarvasva-Vimana Prakaran describes how a spaceship can mount the Surya-mandala & move so fast as to make noise that could be heard faintly from the ground. Many have expressed a doubt if such machines can be actually made.But the evidences in favor are indeed overwhelming

Our history was faked. However facts cannot cease to exist because they are ignored. NASA is exploring ancient Indian technology by decoding Sanskrit texts. And we are loosing sight of it in the name of modernization