increase to phrase checklist incorporate to word list B1 [ C or U ] something which is made to get offered, normally a thing that is produced by an industrial process or, fewer frequently, something which is developed or attained via farming: these are generally necessary stipulations in the process of production. Raw resources type the core with

Dr. Joel E. Arem has more than 60 yrs of expertise on the earth of gems and minerals. following getting his Ph.D. in Mineralogy from Harvard University, he has released numerous textbooks that remain among the most generally used references and guidebooks on crystals, gems and minerals on the globe. Stones within the D–Z shade array may be exami