Hi,

i m riyaz khan

Just for your information, both side mouth double engine always below 2.5 kg or 3 kg. It never comes with 4 kg or more...if you need more info, please reply back,

if it is more than 3 kg, is always single mouth and single side movment, after 15 to 30 days, he changes his mouth and movment to other side. when he changes movment to the other side first side movment remains active for 4 to 5 days, so be careful when you make a deal or you will end up in trouble.

there are few tips to recognise double movment ...you have to follow that

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e-mail - riyazkhan832@gmail.com