Hung refused to wear protective clothes while changing the light bulb. He got a mild shock.

Only after Hung had got a mild shock did he refuse to wear protective clothes while changing thelightbulb.

OnlybygettingamildshockdidHungrefusetowearprotectiveclothes whilechangingthelightbulb.

Had it not been for Hung’s refusal to wear protective clothes while changing the light bulb, he wouldn’t have got a mild shock.

However mild as a shock was, Hung refused to wear protective clothes while changing the light bulb.