Pipes or ducts that carry smoke or combustion gases away.

• Enclosed passages used to direct air or other gases.

排走烟雾或燃烧废气的管道或通道。

• 用于引导空气或其他气体的封闭通道。

Small bits of soft fluff, down, or lint.

• Loose fibers that collect on fabric or surfaces.

细小的绒毛、绒屑或棉絮。

• 积聚在织物或表面上的松散纤维。