After listening to Chu Mei's explanation, he added copper coins to one of the items that must be obtained in the other world, because copper coins are also made of rare metals, such as nickel, cobalt, lead, zinc, tin, antimony, bismuth, cadmium and other metals.

Of course, copper coins are harmful metals without mercury, and the orcs of the other world are not so brainless to add harmful metals to the currency material.

So he first moved everything to the cockroach-headed monster to the city lord's mansion and came to the glass factory himself

"Super Biofactory" Chapter 137: Selling Lighters is in the hand, please wait a moment,

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