보행중 스마트폰 사용금지
Using a mobile phone during walking can suffer person injury.
More than 60 % of traffic accidents are happened by using the phone during walking in 2019
This is almost 1.5% of GDP in Korea
Fire and Explosion Prevention in Industrial Workplaces Fire and explosion incidents can cause severe structural…
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Why Belt-Type Safety Harnesses Are Dangerous In construction sites, safety harnesses play a critical role…