CONCEPTS: fabric, pair, table

GEN: Remnants of fabric are shown on a table with two pairs of shears.

CONCEPTS: incident, part, simulate, tactic, take

GEN: firefighters discuss tactics whilst taking part in a simulated chemical incident

CONCEPTS: airplane, runway, take

GEN: airplane taking off on a runway

CONCEPTS: call, ceremony, name

GEN:
a graduate cheers for his peers as their names are called during the ceremony on thursday .