Specifically, the PCMS can assist
on-site workers in detecting the above dangers and provide proactive
warnings to them, thereby preventing fatal accidents that are
often caused by falling from heights and being struck by moving
objects. Workers who choose to ignore warning signals sent by
the PCMS and head toward danger zones are regarded as exhibiting
unsafe behaviors while those who take actions such as turning
around or leaving the area quickly to avoid possible dangers are
regarded as exhibiting safe behaviors