Rebreathers are now widely used by cavers and deepwater divers because they can stay underwater a lot longer than they can using conventional scuba gear.As the places Dr Stone tries to reach become more difficult and dangerous his equipment is becoming ever more elaborate.
The simplest answer is that when times are bad, voice and loyalty become more difficult, and exit becomes more appealing.
Too many big-stake owners make it harder to agree on strategy, exits become more difficult and investors in L.B.O.
"They need to face the fact that schools have become more difficult and less rewarding places in which to work.
"Every day the shutdown lasts, the impacts grow and become more difficult and more expensive to fix," he said.
But as consumers take control of the information about themselves, access to it could become more difficult and costly.
As a consequence, it has become more difficult and time consuming to program the data taking, and to manage the resulting data.
If no continuous investment is made in keeping process models simple, changes will become more difficult and error-prone over time.
This common-sense policy will be invaluable to immigrant organizations and rescue workers should evacuations, some of which have already begun, widen and become more difficult and chaotic.
That has now become more difficult, and when it occurs, the European performers expect their American hosts to cover more of the costs.
HOW TO Patsy J. Prince of Academic Tutoring Centers in suburban Chicago says this of the ACT and SAT: "Both have become more difficult, and rightly so.
