In cooperation with KTU and MB “Practical Training Academy” BCT has released an instructional book “Mechanical treatment using programmable control devices”. The co-authors of the book are the BCT Chairman of the Board Dr. Gintaras Rimša and the senior technologist Dr. Edvinas Dubinskas. This instructional book is intended for both the training of new operators, and for already experienced operators wishing to update their knowledge and to improve their qualifications. The senior technologist Andrius Berškys has contributed a lot during preparation of the book, the CNC operators with many years of experience have shared their insights and suggestions. This book will be useful both during the lectures in the Practical Training Academy and for independent development of software equipment operators.