Collocations for prototype - noun
ADJ.
pre-production | working
VERB + PROTOTYPE
build, develop | test
PROTOTYPE + NOUN
stage
The car is presently at the prototype stage.
The car is presently at the prototype stage.
PREP.
~ for
The team is developing a prototype for a digital compact camera.
The team is developing a prototype for a digital compact camera.
~ of
He is working on the prototype of a new type of ventilator.
He is working on the prototype of a new type of ventilator.