Perforated leather seats can make for an incredibly comfortable ride, but they can get very dirty. Here's how to clean even ...

Perforated sheet materials are used as screens in separators, walkways, sunscreens, ventilation, and decorative coverings. They are constructed by machining or punching holes in a piece of sheet metal ...

Researchers gave a detailed look into perforated stones collected out of excavations in Israel, and came to the conclusion ...

Perforated aluminium screens envelop the dynamic exterior of Darlington Public School, which has been redesigned by ...