enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Circular saw - Wikipedia

   en.wikipedia.org/wiki/Circular_saw

   A hand-held circular saw is the most conventional circular saw. This miter saw is a circular saw mounted to swing to crosscut wood at an angle. A table saw. Tractor-driven circular saw. A circular saw or a buzz saw, is a power-saw using a toothed or abrasive disc or blade to cut different materials using a rotary motion spinning around an arbor.

3. Chainsaw - Wikipedia

   en.wikipedia.org/wiki/Chainsaw

   Historical osteotome, a medical bone chainsaw. A "flexible saw", consisting of a fine serrated link chain held between two wooden handles, was pioneered in the late 18th century (c. 1783 –1785) by two Scottish doctors, John Aitken and James Jeffray, for symphysiotomy and excision of diseased bone, respectively. [2]

4. Tool - Wikipedia

   en.wikipedia.org/wiki/Tool

   Other tools have a primary purpose but also incorporate other functionality – for example, lineman's pliers incorporate a gripper and cutter and are often used as a hammer; [39] and some hand saws incorporate a square in the right-angle between the blade's dull edge and the saw's handle.

5. Lumber - Wikipedia

   en.wikipedia.org/wiki/Lumber

   7.5: 5: great halls 5 or 3 bays wide or halls 7 or 5 bays wide 4th: 7.2: 4.8: great halls 3 bays wide or halls 5 bays wide 5th: 6.6: 4.4: great halls 3 small bays wide or halls 3 large bays wide 6th: 6: 4: pagodas and small halls 7th: 5.25: 3.2: pagodas and small great halls 8th: 4.5: 3: small pagodas and ceilings

6. Timeline of historic inventions - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_historic...

   Ancient stone tools from Ethiopia were hand-crafted by Australopithecus or related people. [1] [2] [further explanation needed] 2.3 Mya: Earliest likely control of fire and cooking, by Homo habilis [3] [4] [5] 1.76 Mya: Advanced stone tools in Kenya by Homo erectus [6] [7] 1.75 Mya – 150 kya: Varying estimates for the origin of language [8] [9]

7. Economic history of the United States - Wikipedia

   en.wikipedia.org/wiki/Economic_history_of_the...

   Woodworking machinery such as circular saws, high speed lathes, planers and mortising machines and various other machines amazed British visitors, as was reported by Joseph Whitworth. [112] See: American system of manufacturing#Use of machinery. In the early 19th century machinery was made mostly of wood with iron parts.