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Repair man installing new knock sensor in car. Man repair broken car, engine detonation, change broken knock sensor. Electrician hold in hand new sensor, replacing faulty electric spare part.
Knock sensor. Man repair broken car, engine detonation, change broken knock sensor. Electrician hold in hand new and old knock sensor, replacing broken electric spare part. Selective focus
High power explosion after detonator blasting
Rock dust clouds during detonator blasting on the mining site

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Spark the night with fiery celebrationImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/spark-night-fiery-celebration-118320622">Image used under license from Freestock.com</a>