Notes:

we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals we require more minerals