"I decided that it would be at least something to save one old house," she said, "and I wanted to prove that you could renovate an old house like this and make it comfortable for modern life, without destroying it and totally replacing it".
Those changes have included more or less totally replacing the executive team, starting with new CEO Marissa Mayer and including a new COO, CFO and more.
As an improvement, the results derived by Method II demonstrated that totally replacing the extraction steam in the third stage is preferable to doing so in the first or the second stage.
Four different types of concrete mixtures were designed with the same total water cement ratio (w/c = 0.74) either by using natural aggregate as reference or by totally replacing the natural aggregate with recycled material.
These devices tested in the laboratory, permit partially or totally replacing the plane plaque collectors, which are costly, by accumulators of higher volume thermically insulated with coverings semitransparent for solar radiation.
Totally replacing chemical fertilizer with organic manure decreased GHG emissions, which reversed the agriculture ecosystem from a carbon source (+2.7 t CO2-eq. hm−2 year−1) to a carbon sink (−8.8 t CO2-eq. hm−2 year−1).
