If it is substantially longer than the stated limit, you have to consider reducing the supporting material.

如果它比要求的长度超出很多，你需要考虑减少辅助内容。

This will reduce material waste and also means we're manufacturing the parts less frequently, so we're saving energy in manufacturing.

这将减少材料浪费，也意味着我们制造零件的频率降低，因此我们在制造过程中节省了能源。