Other American innovations include an anti-afterglow solution to prevent the match from smouldering after it has been blown out;and the waterproof match,which lights after eight hours in water.
Other American innovations include an anti-afterglow solution to prevent the match from smouldering after it has been blown out;and the waterproof match,which lights after eight hours in water.
其他的美国改革包括防止火柴在烧尽后的闷烧现象，还有防水火柴可以在水中点燃八小时。