But transportation improvements vital to the Olympics are under way, including a seismically sound replacement span for part of the Bay Bridge and a $3.7 billion extension of Bay Area Rapid Transit that would stretch that rail link from San Francisco to San Jose.
Supercritical CO2, formed by putting CO2 gas under increasing temperature and pressure, has been used as an environmentally sound replacement for other toxic chemicals, including the solvents used in the manufacture of semiconductors [see "SCORR One for the Environment," EHP 109 A382 A385 (2001)].
An environmentally sound replacement for asbestos, Tubolit is recyclable, but it also offers further proof that the dependence on oil, foreign or otherwise, ranges far beyond gasoline.
Indeed, Jawbone is selling its Big Jambox as a sound-system replacement, as a speaker made for powering parties and outdoor listening for groups.
The originality of the system comes from the replacement of the video surveillance with a sound surveillance.
Electronic music for theatre and films seems an especially appropriate replacement for a disembodied, nonexistent orchestra heard from a tape or a sound track.
Maria Guleghina gave a forceful if generalized account of Leonora's music, but Valter Borin, a late replacement, sounded overparted as Riccardo.
Reviews have suggested you can even free-flow in them, if you're feeling risky, but to me it sounds like an ideal replacement for a limp liner loosely adhered to my least favorite pair of undies.
This important crossroad requires careful consideration and analysis from an academic perspective, especially as we can find tendencies to look at technological progress as a solution or replacement for sound pedagogical solutions or good teaching.
If an "ecologically sound" approach to hip replacement is embraced (e.g. keeping the native femoral head diameter), hip resurfacing with a metal-on-metal bearing must be carried out.
