-The Check weight machine is unstable. The weight is not stable, it should be calibrated by QC every week. - The machine is unstable, the surface is uneven, causing the paving to be heavy or light, causing corrections to the work. - The MM material does not displace Bt., causing the surface of the tub edge to set. When the edge of the tub releases the sheet up into the nozzle, it will cause the weight to increase, making it difficult to control.
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