Its use is currently limited, mostly to drilling operations and other .... environments.

They have unique ...... that have still to be exploited.

I don't want to come to the party. ............ all, I don't know the guy.

They will be particularly helpful in the building and construction .....

When the managing director resigned unexpectedly, the company struggled to replace him. FILL The company struggled ........... by the unexpected resignation of the managing director.

I eventually realised that the woman waving at me was an old friend. TURNED I couldn't at first see who was waving at me, but she .......... an old friend.

It was the most dangerous situation I had ever been in. A Never before ....... dangerous situation.

Some companies are ..... obsessed with profits that employees are under a lot of stress.

Aerogels are the lightest solid materials in

Concentrate on jobs for ..... you have an aptitude.

They are gels (like hair gel) in which gas has been

DISCOVER The authors draw on numerous recent ............... and discuss all sorts of topics.

I'm sure Ben wasn't pleased when Myra arrived, because he's never liked her. CAN'T Ben has never liked Myra, so he ......... see her arrive.