"Metal enclosures" refers to protective containers or structures made from metal materials that are used to house or enclose something, such as electronic equipment or machinery, for shielding or safety purposes. Full definition
The smartphone has a robust metal enclosure and looks really sturdy in the hand. (suggestphone.com)
3M MicroTouch Display C1700SS has a rugged metal enclosure which provides a stable mount and protects the LCD from damage - vital considerations for manufacturers of vandalism - prone machines deployed in public places. (politics.co.uk)
Amazon has just announced that the Fire HD 10 tablet has a new silver aluminum all - metal enclosure for the same price as the existing black color option. (goodereader.com)