The phrase "arms were installed" is correct and usable in written English.
It can be used in contexts where you are describing the installation of arms, such as in machinery, equipment, or even in a figurative sense.
Example: "After the assembly was complete, the arms were installed to ensure the machine could operate effectively."
Alternatives: "arms were fitted" or "arms were mounted."
If one extra piece of equipment, such as a compressed air blower aboard a robotic arm, were installed, dusty solar panels could have been cleaned at will.
If one extra piece of equipment, such as a compressed air blower aboard a robotic arm, were installed, dusty solar panels could be cleaned at will.
Shaded by sycamore and tulip trees, the massive bronze sculpture, with three hulking diamond-shaped components that resemble walking figures and a low-lying arm, was installed recently in its permanent home on Hofstra University's north campus.
Shanghai, China, China - January 12 , 2016 On the assembly line of the Shanghai Volkswagen manufacturing workshop, the automated robotic arm is installing the Chinese-made Volkswagen sedan on the assembly line.
Smoke alarms were installed.
Black hammered-iron halogen torchieres now brighten the living room while some swing-arm lamps were installed in the bathrooms because those lights "were antiquated and less than complimentary to people doing their makeup, for example".
For this commission he designed two types of lampposts: one with six arms, of which two were installed in the Plaça Reial, and another with three, of which two were installed in the Pla del Palau, opposite the Civil Government.
Three such outlets, armed with artificial barriers, were installed in each sub-catchments.
The team addressed some of these concerns in August when giant images of Darryl Strawberry, Keith Hernandez, Dwight Gooden, Gil Hodges and Tom Seaver and of Jerry Koosman jumping into the arms of Jerry Grote in 1969 were installed around the inside of the stadium.
