Recycled metals, which retain their essential properties when reprocessed and are often cheaper than virgin metals.
Clean them often to keep dirt and leaves, which retain moisture, from building up.
The most popular outlets are still small, independent pet shops, which retain customers by offering credit.
Many horticultural varieties have been developed, most of which retain juvenile foliage at maturity.
They serve as safeguards to - but do not replace - domestic courts, which retain primary responsibility for redressing serious rights violations.
Alternative music is nurtured in the city's underground venues, which retain an authenticity so many London counterparts have lost.
The agreement is not binding on French publishers, which retain the right to exclude their books from Google.
Several letters occur only in words of Hebrew-Aramaic origin, which retain their traditional spelling in many countries.
A study suggests encouraging drug abusers to use thin syringes, which retain less fluid and the virus it may contain.
I like toor dal (yellow pigeon peas), which retain some texture when cooked and have an earthy mealy taste, but red lentils will do just fine.
Why, for instance, would a proliferating state pay heed to the exhortations of the US and Russia, which retain thousands of their nuclear warheads on high alert?
