炸药 (zhà yào): explosive; blasting agent; dynamite

Before going down the mine each day, the miners carefully check the explosives to ensure the blasting operation is safe.

The police found a package of explosives in the suspect's car and immediately cordoned off the scene.

During the war, the soldiers used explosives to blow up the enemy's bridge and cut off their supply lines.

When demolishing the old building, the engineering team used a small amount of explosives to control the direction of the collapse and avoid damaging nearby structures.