
A visitor walks past a show room during the 2021 WinDoor event in Toronto, Canada, on Nov. 17, 2021. Showcasing the window and door industry in Canada, the two-day event kicked off here on Wednesday. (Photo:Xinhua)

An exhibitor wearing mixed reality glasses (HoloLens 2) works on a machine during the 2021 WinDoor event in Toronto, Canada, on Nov. 17, 2021. Showcasing the window and door industry in Canada, the two-day event kicked off here on Wednesday.(Photo:Xinhua)

An exhibitor displays a sample of a window profile during the 2021 WinDoor event in Toronto, Canada, on Nov. 17, 2021. Showcasing the window and door industry in Canada, the two-day event kicked off here on Wednesday.(Photo:Xinhua)

People look at a compound miter upcut saw during the 2021 WinDoor event in Toronto, Canada, on Nov. 17, 2021. Showcasing the window and door industry in Canada, the two-day event kicked off here on Wednesday.(Photo:Xinhua)

People look at a door cutting CNC machine during the 2021 WinDoor event in Toronto, Canada, on Nov. 17, 2021. Showcasing the window and door industry in Canada, the two-day event kicked off here on Wednesday.(Photo:Xinhua)