Chainsaw
A chainsaw was a mechanical device used on Earth for cutting. Other planets also utilized such a device, even for rituals.

In 2152, Hoshi Sato questioned whether  had a chainsaw onboard. Captain Jonathan Archer later used one to chop up the trunk of an alvera tree as part of a Kreetassan apologetic ritual. ()

In 2382, Doctor T'Ana used a chainsaw to amputate a crewman's foot that had been latched onto by an alien lifeform. ()

See also 
 Lucifer's Chainsaw

External link
 

de:Kettensäge
Tools