Der er imidlertid stor sandsynlighed for, at udvindingsmulighederne i betragtning af det utilstrækkelige investeringsniveau inden for mine­sektoren ligesom tidligere vil blive reduceret hurtigere end forudset.
In the light of the contin­uing insufficient levels of expenditure in the mines, it seems likely that as in the past the decline in extraction potential will be more rapid than anti­cipated.