They can be programmed to open with a manual device or a wireless transmitter.
Today, the term almost always refers to an electric-motor-driven appliance, although there are some manual devices also referred to as "food processors".
During the 1950 automatic electronic computers were replacing manual electro-mechanical devices.
Those who keep a mere can or two on the shelf are often perfectly happy with a manual device that can be tucked into a drawer.
Hand held document scanners are manual devices that are dragged across the surface of the image to be scanned.
A manual device to change the intensity of the beam, especially when an HID source which can not be electronically dimmed, is used.
They come in a number of different forms, from basic manual devices to complex attachments for power tools.
The original ram BOPs of the 1920s were simple and rugged manual devices with minimal parts.
These early methods used two-part forms and a manual device for mechanically imprinting the embossed card number information onto the forms.
She said the switch was a manual device and train crews used heavy keys to gain access.