An example is the production of acetylene gas when water makes contact with the calcium carbide contained in some smoke floats, sea markers and lifebuoy lights.
Umzekelo kukuveliswa kwe-asethilini eyigesi xa amanzi edibana nekhalisiyam khabhayidi ekudado lomsi, neempawuli zolwandle kunye nezibane zesangqa angabambelela kuso umntu xa esengozini yokutshona.