trapped-key interlocking

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

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

الفئات:

railway signalling systeminterlockprotective device