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Babies after one years old act more actively , they may drag wire and plug so that the gap between plug and socket is produced, which may cause an electric shock when they touch the metal parts in the gap.
“safety plug” has a auto-scalable safe cover in front of the plug, which will make up for gaps to prevent the potential safety hazard caused by exposure of metal parts.
HANGZHOU VOCATIONAL&TECHNICAL COLLEGE
Jiashu Wu Zhuowen Huang Yangqing Li