1. Words adoptive = to become parent of a child that isn't your own claim

mine = deep hole in the ground that people dig in order to find coal , gold and other metals or minerals

operate = to run a company; the owner of ...

polish = to make something smooth, bright and shiny by rubbing it

recover = here: to go up again

remarkable = unusual, surprising

share = part of a company that belongs to an individual

surrounded = all around it

trader = person who buys and sells things

unearth = to dig something up from the earth

valuable = worth a lot of money

weight = how heavy something is

worth = how much money you can get by selling it