trapped-key interlocking

use of locks and keys for sequential control of equipment and machinery to ensure safe operation

en-US/ˈtɹæpt - ˈki ˈɪntɚˌlɑkɪŋ/
en-GB/ˈtɹæpt - ˈkiː ˌɪntəˈlɒkɪŋ/

ক্যাটাগরি:

railway signalling systeminterlockprotective device