1. The word ramming includes: ram song, ramming, ramming, ramming, ramming wine, ramming boat, ramming mouth, tamping gills, lag tamping.

2. Ram, Chinese characters. There are two pronunciations: hāng and bèn. The original meaning of hāng is a tool used to smash the foundation, which is extended to mean smashing with a ram, and also means hitting hard in dialect. The sound and meaning of bèn is the same as "stupid".

3. Tamping refers to using a ram to pound the foundation firmly. Backfill the indoor soil and prepare the floor well to ensure that the floor will not collapse under pressure in the future. Therefore, tamping the soil is a key process to prevent the finished floor from collapsing.

4. Bangge, pinyin hānggē, means a song in which one person leads the singing and everyone sings together during the tamping process.