The costliest process of embalmment lasted no less than seventy days.
The last mentioned is the best but costliest method, and is employed only in the manufacture of the highest strengths of caustic soda.
Furnishing a home or apartment is one of the costliest and trickiest things to do.
One of the costliest -and most confusing- aspects of obtaining a divorce are the legalities.
Health and safety regulations are the costliest form of red tape for small businesses, new research reveals.