Unfortunately, the lead used is heavy, lacks durability, is difficult to launder, and its disposal is associated with environmental hazards.
Currently, recommended ultrasound phantoms were easily constructed but lacked durability.
They lack durability, but use powerful laser beam weapons and are immune to infection by the Flood.
In certain situations these can lack strength or durability, so copper, steel, or cast-iron pipes are also available.
With 2008 first-round pick Felix Jones clearly lacking the durability to be an every-down back, the Cowboys have shifted their focus to last year's third-round pick, DeMarco Murray.
The blame for today's still-high levels of automotive pollution les with cars whose emission-control systems lack durability.
Duration of follow up was considered important because preferences for new technologies might conceivably lack durability, initial enthusiasm and 'halo' effects clouding other issues of acceptability.
The fact that his stage work lacks the durability of a painting or a piece of music does bother him, he says.
Mud bricks lack the durability of the marble of Greece or the limestone of Egypt, leaving behind little more than heaps of earth.
"Our bilateral trade relationship with China today lacks equity, durability and balance in the opportunities it provides," he says, before making it clear that America will "use all options available" to deal with this.Look at the actual report, however, and a subtler picture emerges, detailing the benefits to America of the relationship and playing down the trade deficit.
