tamping rod การใช้

• In 1848, Phineas Gage, the classical neurophysiology patient, had his brain pierced by an iron tamping rod in a blasting accident.
• In the 1960s Maintenance of Way laborers were still being called " gandy dancers " by the track foremen in Oregon, and the tamping rod was called a " gandy pole " by most workers or simply a " gandy ".