The method by which air from headspace and contents is removed prior to seaming the can is:

Correct option is B

Correct Answer: (b) Exhausting
Explanation:
→ Exhausting removes entrapped air before seaming to prevent oxidation, discoloration, and internal pressure issues.
→ Proper exhausting ensures longer shelf life and better vacuum formation.
Information Booster:
→ Hot filling is a common way to achieve exhausting.
Additional Information (Other Options):
(a) Filling: Only product addition.
(c) Seaming: Closing of the can.
(d) Washing: External cleaning only.