The presence of large numbers of unlicensed artisanal miners in various areas, including Sinoe and western Liberia, poses significant challenges to the Government's system of internal controls.
在包括锡诺埃和利比里亚西部在内的不同地区都存在大批未经许可的个体采矿者，这对于利比里亚政府的内部控制体系构成严重挑战。