0 a way of obtaining metal from ore (= rock that contains metal) or waste by using simple living organisms such as bacteria or fungi to break it down: --
Biomining can be used to extract gold from minerals containing arsenic and pyrite.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.