What is Tool?
{{for|the band|Tool (band)}} [[Image:ALM 05 Dolch edit2.jpg|thumb|right|Knives were some of the first tools developed by humans. The image at the top shows a dagger dated to about 2900 BC. The one at the bottom shows a modern (20th century) one.]] '''Tools''' are things used to make [[task]]s easier. Tools have changed over time. The first tools were made in the [[Stone Age]] and [[Bronze Age]]. Throughout history, people have made many new and more complicated tools. Some examples of tools that are often used today are the [[hammer]], the [[wrench]] (also called a spanner), [[saw]]s, [[shovel]], [[telephone]], and the [[computer]]. Very basic things like [[knife|knives]], [[pen]]s, and [[pencil]]s are also tools. The [[Club (weapon)|bludgeon]] (a stick or rock used as a [[weapon]] to smash things) was one of the first tools made by [[human]]s. The [[knife]] is also one of the first tools humans made.<ref>{{Cite book|title=A History of Technology, Volume 1|last=Singer|first=Charles Joseph|last2=Holmyard|first2=Eric John|last3=Hall|first3=A. Rupert|publisher=Oxford University Press|year=1954|isbn=9781258215583|location=New York and London|pages=128-143, 154-168}}</ref> A ''hand tool'' is powered by the [[Muscle|muscles]] of the person using it. Most hand tools are hand-held (small enough to be carried and used in the hands). Hammers, wrenches, and knives are examples of hand tools. A ''power tool'' is powered by another source of [[energy]] like [[electricity]]. A power tool is otherwise similar to a hand tool. Most power tools are also hand-held or portable (small enough to be easily moved). [[Drill|Hand-held electric drills]] and [[Chainsaw|chainsaws]] are examples of power tools.<ref>{{Cite web|publisher=Occupational Safety and Health Administration|title=Hand and Power Tools|url=https://www.osha.gov/sites/default/files/publications/osha3080.pdf|website=www.osha.gov}}</ref><ref>{{Cite web|title=Hand tool {{!}} Britannica|url=https://www.britannica.com/technology/hand-tool|access-date=2024-03-10|website=www