Cryogenic equipment, namely, apparatus for dosing liquid nitrogen

REAL TIME ASSETS MONITORING AND INFORMATION SYSTEM, NAMELY TRANSCEIVERS, AND RECEIVERS FOR LOCATING ASSETS AND RELAYING ASSET LOCATION AND POSITION INFORMATION; COMPUTER SOFTWARE FOR LOCATING AND MONITORING ASSETS AND PROCESSING INFORMATION REGARDING ASSET LOCATION AND POSITION; COMPUTER MONITORS FOR DISPLAY AND LOCATION AND POSITION INFORMATION FOR ASSETS

gunsight reticle adjustment mechanism