
1) Jam-packing 2) Running into head-on 3) Shaping with a rammer
Found on
https://www.crosswordclues.com/clue/ramming

In warfare, ramming is a technique used in air, sea and land combat. The term originated from battering ram, a siege weapon used to bring down fortifications by hitting it with the force of the ram`s momentum. Thus, in warfare ramming refers to hitting a target by running oneself into the target. Today, hand-held battering rams are one tool among....
Found on
http://en.wikipedia.org/wiki/Ramming

• (p. pr. & vb. n.) of Ram
Found on
http://thinkexist.com/dictionary/meaning/ramming/

Packing sand in a mold by raising and dropping the sand, pattern, flask on a table. Jolt squeezers, jarring machines, and jolt rammers are machines using this principle.
Found on
https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

Packing sand in a mold by raising and dropping the sand pattern flask on a table. Jolt squeezers, jarring machines, and jolt rammers are machines using this principle.
Found on
https://www.metaltek.com/resources/glossary/
No exact match found.