So we need materials in closed cycles, but we need to analyze them down to the parts per million for cancer, birth defects, mutagenic effects, disruption of our immune systems, biodegradation, persistence, heavy metal content, knowledge of how we're making them and their production and so on.
循環サイクルに利用できる物質が必要ですが 癌や先天異常 染色体異常 免疫系の異常 を引き起こすかや どの様に分解されるか 重金属を含んでいるか どのように生産されるかを