"The walls seemed a great waste of stone and mortar," he said.
For that purpose they turned out to be a colossal waste of stone but what remains is the finest collection of genuine battlements to be found anywhere and not the least of Wales's many tourist attractions.
The basic solid is obtained from biomass waste (olive stone) and present appropriate porous structure for being used as heterogeneous catalyst.
The use of basalt waste from stone processing plants as aggregates and mineral filler in SMA might help to meet this increasing demand thus solving environmental problems.
Do not cancel the evolution or you'll waste a stone.
A narrow scramble, no wider than a sheep track, edged over the heaps of waste rock towards a larch wood within a ferny, stone wall.
This study reports on the use of oil obtained from waste plum stones as a low-cost feedstock for biodiesel production.
Hence, waste plum stones might be valuable raw material for obtaining fatty oil for the use as alternative feedstock in biodiesel production.
The results show that these carbon materials are quite promising for being used as heterogeneous catalysts for this reaction, avoiding the use of corrosive homogeneous catalysts and revalorizing two different biomass wastes (olive stone and whey).
