Ann: 2018 Achmmach Tin Project Definitive Feasibility Study, page-14

Believe what you like. This from last page of DFS statement.

While the information contained in this Document has been prepared in good faith, neither the Company nor any of its shareholders, directors, officers, agents, employees or advisers give any representations or warranties (express or implied) as to the accuracy, reliability or completeness of the information in this Document, or of any other written or oral information made or to be made available to any interested party or its advisers (all such information being referred to as Information) and liability therefore is expressly disclaimed.