Any activity accustoms on the base of the general abilities which develop in this activity. and "special" abilities are the general abilities which have got lines of efficiency under the influence of requirements of activity. And the more technical is the activity. the bigger role in its realization is played by "special" abilities [8. https://www.roneverhart.com/Western-Digital-Ultrastar-DC-HC550-WUH721816ALE6L0-0F38460-16TB-7-2K-RPM-SATA-6Gb-s-512e-ISE-3-5in-Hard-Drive/