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پیش از پرداختن به روش تولید شن و ماسه، ابتدا بهتر است با تفاوت این دو آشنا شوید. 1. شن: به سنگهایی با ابعاد بین 4 تا 60 میلیمتر شن میگویند که میتواند به دو شکل طبیعی یا مصنوعی تشکیل شود. با توجه به نحوه شکل گیری شن، این سنگ ها میتوانند از هر کانی و سنگی ساخته شده و بسته به محل شکل گرفتن در اشکال گرد، گوشه دار و .. دیده میشوند. 2. ماسه: به سنگ...
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