scarcity of supplies
1Critical Metals Handbook , Gus Gunn
Mankind is using a greater variety of metals in greater quantities than ever before. As a result there is increasing global concern over the long-term availability of secure and adequate supplies of… 12483.68 руб электронная книга2Sustainable Water Engineering. Theory and Practice , Chandrappa Ramesha
Ensuring safe and plentiful supplies of potable water (both now and for future generations) and developing sustainable treatment processes for wastewater are among the world’s greatest engineering… 12877.82 руб электронная книга
