Prices dropped to a point where it became virtually impossible for the mine to operate viably.
In any event, the conventions of a community define the currency in which any negotiations and exchanges may viably take place within that community.
Some premises are readily re-usable, and some can be adapted for re-use, while others cannot be viably adapted.
If demand is there, and it can be viably met, we should set out, and set out quickly, to meet it.
They seek to tip the balance in favour of rail over road where that is economically and viably sensible.
Indeed, it is a new insurance that they should survive viably in terms of the proper use of resources.
