A structural stand, strut, or block positioned under a heavy component to prevent it from falling while workers are underneath or nearby. They are heavily utilized in fabrication and maintenance to safely bear weight when permanent mounts are removed.
Heard on the job
Make sure you get a heavy-duty prop under that transmission before you unbolt the crossmember.
Insider tip
Never trust a hydraulic jack as a prop. Always use a rigid mechanical support before placing any part of your body under a suspended load.
Also heard as
- stand
- support