That is quiet, unglamorous but valuable work.
Yukos still has two other smaller but valuable production units.
He hopes more economists will do the hard but valuable work of pricing the seemingly priceless.
It's a small but valuable market, one that Microsoft could lose to Google.
The statistics are disputed, but valuable gains have been made at the bottom.
They're expensive but valuable chips, and the key to kickstarting this inevitable rebuild.
Such interactions, as this week's Nature editorial argues, are difficult but valuable.
Yet if some state legislators have their way, horrific but valuable videos like that one will never be made.
Students can expect unexpected but valuable adventures ahead - and yes, giving police statements in another language is included!
A small but valuable tourist industry has recovered from the inactivity of 1921 47, when both islands were Italian.
His last book, The Ash Tree (2014), paid tribute to a common but valuable tree threatened with disease.
