Lead acid batteries represent a mature technology that currently dominates the battery market, however there remain challenges that may prevent their future use at the large scale.
However, there remain reasons to study the impact of race and ethnicity on medical conditions.
However, there remain tremendous challenges.
However there remain criticisms of the framework.
However, there remain difficult questions under the existing evidence.
For all the skill that Gordimer displays, however, there remain occasional infelicities.
However, there remain serious hygiene and health concerns at the camp, which lacks basic facilities.
However, there remain many obstacles in the way of these women getting justice.
However, there remain huge differences of opinion over the reasons why.
However, there remain pockets of resistance where American and Iraqi forces still find themselves under assault.
Great as those gains were, however, there remain some challenges for agriculture and development.
