No, because the ash-the ash is pulverized rock-it can scratch up the windshield, too.
不行。因为火山灰是岩石微粒，也可以刮伤挡风玻璃。
U screw conveyor is suitable for conveying various powder, granulated and small lump materials, such as flour, corn, sand pulverized coal, cement, and all kinds of small pieces of coal and rock, etc.
型螺旋输送机适用于输送各种粉状，粒状及小块状物料，如面粉，谷物，砂土煤粉，水泥，及各类小块的煤和石子等。
U screw conveyor is suitable for conveying various powder, granulated and small lump materials, such as flour, corn, sand pulverized coal, cement, and all kinds of small pieces of coal and rock, etc.
型螺旋输送机适用于输送各种粉状，粒状及小块状物料，如面粉，谷物，砂土煤粉，水泥，及各类小块的煤和石子等。
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