There is another thing that we refer to as stitching or no fill, where the material is not filling all of the grooves of the stamper, and then when it comes off, some of that material is just missing.

还有一种问题，我们称之为缝合或无填充，材料没有填充压模的所有凹槽，然后当它脱落时，一些材料就不见了。