Easy check at home between diamonds and crystals - very simple methods
349.5 هزار بار بازدید -
3 سال پیش
-
water divining video using coconut
water divining video using coconut and pendulum
• Identify water source
• Predict depth
• Provide recommendations of utilizing a bore well versus wells
• Identify false readings which are caused due to black rock
• Waste water management
• Rain water harvesting
Gem Stone Testing
3 سال پیش
در تاریخ 1400/06/20 منتشر شده
است.
349,554
بـار بازدید شده