اصنع كاشف معادن بنفسك
BUILD YOUR OWN CUT YOUR RECOVERY TIME BY HALF: MAKE IT YOURSELF TO LAST: CUSTOMIZE IT: SAVE TIME AND MONEY. Apart from a pair of headphones and something decent to dig with, the most useful aid to metal detecting is an electronic pinpointing probe as described here. The time spent locating tiny objects that have been detected, especially in muddy and sometimes bad light conditions can be ...