The instructions also say that "appropriate buffer zones must be maintained" to avoid contaminating surrounding areas.
Mr. Hagel said physical requirements would be maintained to assure combat readiness.
Many communities around the country adopted "weed laws" mandating that all yards be maintained to a certain uniform standard.
Back up and restores may not be carried out effectively; equipment may not be maintained to the correct levels.
Pressure needs to be maintained to end the siege entirely, they say, and talk of improvement is counterproductive.
The post-9/11 intelligence apparatus must be maintained to prevent such a tragedy from happening again.
Transportation routes, including flights, need to be maintained to ensure health professionals get access to the affected countries".
"Progress in places such as Kenya is heartening, but going forward momentum should be maintained to ensure that girls are properly protected and supported," Qureshi said.
The separation between the investigative and judicial branches of the state must be maintained to keep errors to their lowest possible level, to provide checks on investigative procedure.
These are the greatest promises the world has ever made, and the pressure must be maintained to ensure that there is no reversal of the precious achievements.
Meanwhile, regional air quality could be maintained to keep the communities from health damage.
