And you go in for testing, you do it through your advocate, you go in for psychological testing, physical testing.

你进行测试，你通过你的倡导者进行，你进行心理测试，身体测试。

So particularly on Ascent with mass  timber columns or glulam columns, we knew that char shorter duration we needed  to actually quantify through physical testing.

因此，特别是在使用大量木柱或胶合木柱的 Ascent 上，我们知道我们需要通过物理测试实际量化的炭化持续时间更短。