detecting gold and metal through mobile, was just something unbelievable.

But now, with the help of day to day progressing technology and new softwares, .
#Google #play #store link http://bit.ly/2J4imOG #갓세븐
#방탄소년단
#匿名 募集中 質問
#X1
#Bigil
#ロ ソン ー
#NCT
#NCT127
#質問箱
#MAMAVOTE