Final answer:
The question pertains to a character's motivation which can only be answered accurately with context from the specific literary work that features Hector and the scenario with the air ducts.
Step-by-step explanation:
The question asks why Hector decides to go first through the air ducts into the Plastic Works. Without additional context or specifying the literary work this question references, it's impossible to provide an accurate answer.
One would need to know the specific story or novel this question is drawn from to answer it correctly because the motivations of a character can vary greatly depending on the narrative, character development, and plot points established by the author.