Increasingly, carbon-negative materials such as Cross Laminated Timber (CLT) or glue laminated timber, commonly known as glulam, are being used.

越来越多的碳负材料，如交叉层压木材或胶层压木材，俗称胶合板，正在被使用。

Another kind of engineered wood known  as glue laminated timber or glulam is made using a similar method, except  the layers all face the same way.

另一种被称为胶合木或胶合木的工程木材是使用类似的方法制成的，只是各层的朝向相同。