Arresting individual sellers is not the answer, Brekke maintains, because of the sheer numbers involved.
Production in the United States has stalled over the last decade, they maintain, because of the vagaries of weather, overfishing, high costs and a reluctance to embrace aquaculture.
And although Ballet Theater pays no licensing fees to the Tudor trust, his ballets are expensive to maintain because of the rehearsal time and coaching required to mount them.
When Google first announced this move, the company argued that it was doing so because WebKit had become somewhat unwieldy to maintain because of the wide range of platforms it needs to support.
As episodes continue, less rehydration and medical care are provided by carers, whereas they ought to be maintained because of the continued purging and cumulative effect of the symptoms.
XML and XSL are very powerful tools, and when wisely and somewhat ideally wielded, can create the Web applications that are simpler to maintain because of the enforced separation of data and presentation.
More specifically, if wired backhaul experiences intolerable delays (e.g., in overload-state situations or when delay-sensitive services cannot effectively be delivered), then the wireless backhaul is selected, as the required QoS levels can be more easily maintained, because of the fact that the data "remains" within one cellular operator's network.
First, one must have grounds for confidence that the dispositions one seeks to explain are (either biological or cultural, as the case may be) adaptations that is, dispositions that were selected and are maintained because of the way in which they promote their own fitness or the fitness of the wider system, rather than being accidents or structurally inevitable byproducts of other adaptations.
A species distinction was maintained because of the age difference.
But the ceasefire could not be maintained because of "the continuation of the Houthi militias and Saleh forces in violating it".
This meant that the non-standard Holcroft valve gear proved expensive to maintain because of the consequent lack of spare parts.
