QUESTION: Fix punctuation: This disease always appears when many people are jammed together under unsanitary conditions
ANS: This disease always appears when many people are jammed together under unsanitary conditions.

QUESTION: Fix punctuation: HANNOVER MESSE provides this sector with the perfect platform for presenting new solutions and materials
ANS: HANNOVER MESSE provides this sector with the perfect platform for presenting new solutions and materials.

QUESTION: Fix punctuation: Suitable for all Polarcompatible receivers
ANS: Suitable for all Polar-compatible receivers

QUESTION: Fix punctuation: Buried at Stepping Cemetry Denmark
ANS:
Buried at Stepping Cemetry, Denmark