 ሰነዶቹ ከተወሰነ ጊዜ በኋላ እንጂ ሊዘረዘሩ የማይችሉ ከሆነ በሚዘረዘሩበት ጊዜ ላለፉት ዓመታት ጭምር ዘካ ይከፈልባቸዋል።
With its core materials remaining unchanged over the years, these materials can be recycled and re-purposed even after years of being used.