cyanotype / blueprint, a document used in construction and design / blueprint, a plan for the future, such as a blueprint for national recovery

camera

science and technology

technical

(computing) information technology (the practice of creating and/or studying computer systems and applications)

technician, engineer

Trenton (the capital city of New Jersey) / Trenton (a city in Florida) / Trenton (a city in Georgia, United States) / Trenton (a city in Kentucky) / Trenton (a city in Missouri)

treble

contact lens

come off, become detached / subside (especially of a fever, pain, etc.) / to come off / be taken as (be interpreted in a certain way) / to keep, to maintain / the potential form of 取る, to be obtainable