about 93% of these are mineral separator, 2% are vibrating screen, and 2% are other mining machines. i will check it out one day. household conditions and results may vary. love it; and will try it this week! every now and again i get to enjoy the generous enthusiasm of other wine lovers. certainly family and child rearing is viewed differently in oriental culture. this is due to the micro controller measuring both sides of the system and charging the 12v tapped battery so that it is never out of balance. in our case we thought we would make a watermelon shark. 