Some places, standard cribbing translates into cinder blocks. WT and any of several third letters.
Last fall, a pick up on blocks 3 high, all 4 corners (!), no tires. Some kind of project, perched that way whole 3 months I was there. Maybe no one ever under it, but still. Should have snagged a pic, a bit too much traffic.

Steel on steel, often an accident waiting to happen, such as plain cup of a floor jack on giant K member of a full size front wheel drive.
Floor jack pad