The phrase "allowed the placement of" is correct and usable in written English.
It can be used when discussing permissions or approvals related to the positioning or arrangement of something.
Example: "The committee allowed the placement of new signage throughout the park to improve navigation."
Alternatives: "permitted the positioning of" or "authorized the installation of".
The patient was successfully treated with a viable radial forearm free flap for soft tissue and regeneration of bone with adequate height and width, which allowed the placement of 3 dental implants with excellent arch coordination.
This allowed the placement of a small quantity of adhesive on the flat top of the AFM tip.
Apple also painstakingly breaks down other fixes in iOS 9.2.1 including multiple memory corruption flaws, security vulnerabilities (especially when visiting malicious websites) and an issue which allowed the placement of cookies to compromise a device.
The application allowed the placement of any number of different types of TADs (mini-screws, palatal implants, onplants, mini-plates and other TADs) on each view (occlusal view of the upper arch, left buccal and right buccal view).
A construction of bracings allowed the placement of the TMS coil in every desired position.
This allowed the placement of the electrodes in the mid-pharyngeal area, a position verified by a VFS-still images following insertion (see Supplementary material).
To date, the panel has defied the mayor just once, rejecting a proposal in July 2003 to allow the placement of wireless communication antennas on top of school buildings.
The Variable Angle Tow (VAT) technology allows the placement of fibers along curvilinear paths with the purpose of improving dynamic performance of plates and shells.
Views of the character within a scene can be calculated from any angle, allowing the placement of virtual cameras to be decided after the event.
The board of the Los Angeles Unified School District voted in December to accept corporate sponsorships and to allow the placement of corporate logos on cafeteria walls and in ball fields.
