Related to TTDC

NPS means nominal pipe size.
Raptor means all birds of the orders Falconiformes and Strigiformes, commonly called falcons,
Elan means Elan Corp and its Affiliates.
CTI means CTI Logistics Limited (ABN 69 008 778 925) and/or any Affiliate of CTI Logistics Limited as the case may be, which performs all or any of the Services.
Beam axis means a line from the source through the centers of the x-ray fields.

TTDC definition