Irish looked around and got closer to him when she found there were few people around, and leaned into his arms, "The radiation will have a bad effect on my body, and if we want to have a baby in the future..."
Joseph repressed a smile, allowing this shrewd woman to lean on him.
After seeing that his eyebrows had eased, she pulled at his sleeves and mumbled, "Joseph."
"The grease station and the transmission belt are also old traditional methods for recycling. You can use this method. Tell me, what's the principle of it?"
Irish was relieved by his words and answered, "It used the oleophilic hydrophobicity of the diamond." Just as he said, it was an old method and was invented in 1896, and now it was replaced by a ray sorter. This old method was very simple. Pour the heavier concentrate as well as the water onto the greased countertop so the diamond will stick to the grease, and the other minerals will be washed away by the water.
