plural of snatch block

(idiomatic, US) Basic tasks or skills in an undertaking or occupation.

(railway) A system of managing trains that breaks the line into small segments, and if a train is in a segment, no other train may follow, unless the second train is following the first, with caution.

plural of top-block

plural of pillar block

plural of boot block

plural of horse-block

(computing, Internet) The use of geolocation software to deny access to content to users from certain regions or countries.

plural of swage block

plural of chopping block