A method of allocating sub-channel signal interleaving patterns to BSs forming a wireless communication system that divides a frequency band into a plurality of sub-carriers and including a plurality of sub-channels, which are a set of predetermined adjacent sub-carriers. The laser surface is provided with a mask masking away parts of its surface to be prevented from dry etching. During the lifecycle of the device, the orchestrating agent facilitates performing actions to protect the data of the device. This angle is defined during forcible insertion and rotation of the respective locking screw into the given screw hole.