- Boast about having time to cause deliberate disruption - Covertly ruin - Deliberate damage - Deliberate damage of machinery - Deliberate destruction - Destroy or obstruct something for political or military purposes - Secretly damage (equipment)
- Interfere or meddle - Interfere with - Meddle - Mess about - Secretly meddle with or damage - One who tamps; specifically, one who prepares for blasting,
by filling the hole in which the charge is placed. - An instrument used in tamping; a tamping iron.