backfire /INDUSTRY-CHEM,INDUSTRY-METAL/
[DE] Abknallen; Knallen
[EN] backfire
[FR] claquement
backfire /ENG-MECHANICAL/
[DE] Fehlzündung; Frühzündung
[EN] backfire
[FR] retour de flamme
arc back,backfire,flashback /ENG-ELECTRICAL/
[DE] Rückzündung
[EN] arc back; backfire; flashback
[FR] allumage en retour; retour d' arc