Come-a-Longs (Download) Come-a-longs 1 Definition Small portable winch usually consisting of a cable attached to a hand-operated ratchet http://www.merriam-webster.com/dictionary/come+along?show=1&t=1302724539 2 Definition May also be referred to as: Ratchet Hoist Red-Devil Guy Puller Pull Jacks http://www.msha.gov/Accident_Prevention/Tips/ratchethoist.htm 3 History Developed by Abraham Maasdam Developed in 1919 Commercialized by Felber Maasdam Commercialized in 1946 http://en.wikipedia.org/wiki/Hoist_(device) 4 Applications Come-a-longs […]

Claw Hammers (Download) Claw Hammers 1 What is a claw hammer? Claw hammers are designed to drive nails of various types and sizes. They are also equipped with a “claw” by which to remove nails In construction claw hammers are mainly used by carpenters. 2 History Hammers date back to the stone age, having otherwise […]

Circular Saws (Download) CIRCULAR SAWS Source: http://www.osha.gov/SLTC/etools/machineguarding/saws/handheld_saws.html 1 What is a Circular Saw? A circular saw is a motor-powered cutting tool which utilizes a circular spinning cutting blade, typically with a toothed edge Electric Battery Gas (not common) Source: http://www.osha.gov/SLTC/etools/machineguarding/saws/handheld_saws.html 2 Parts of a Circular Saw Source: http://www.tpub.com/content/construction/14043/css/14043_55.htm 3 Blades Typical blade diameter: 4”-12” Typical […]

Chop_Saw (Download) Chop Saw 1 What is a Chop Saw? A motorized saw (also called Miter Saw or Drop Saw) that is used for making precise cuts in a workpiece . Common uses include framing operations and the cutting of molding. Mostly used in framing and finish carpentry industries 2 Parts of a Chop Saw […]

Chisels (Download) Chisels Source: http://www.nytimes.com/slideshow/2008/02/19/business/businessspecial2/0219-CHISEL_8.html 1 What is a Chisel? Chisels are hand tools used to shave or chip wood, metals, concrete, and masonry. They are available for other materials as well. Most chisels are operated by striking them with a hammer, but some are simply pushed by hand .  2 What is a Chisel? […]

Cell Phones (Download) Cell phones 1 Introduction Cell phones have been very evident everywhere including the construction industry . By using cell phones people can communicate quickly and efficiently on construction site, especially when providing equipment and performing construction activities. Modern cell phones have many features, like mp3 , movie, and Internet that can distract […]

Bungee Cords (Download) Bungee Cords 1 Bungee C ord Design Bungee cord cores are made of strands of elastic material, usually natural (latex) or synthetic rubber. Both types share the same properties: Extensibility (ability to stretch) Resilience (ability to regain shape) Tensile (ability to extend under load without breaking Natural rubber is stronger while synthetic […]

Box Cutters (Download) Box Cutters 1 Box Cutters are hand-held tools with a short sharp blade that generally can be retracted. Typical box cutter with protective housing and retractable blade. Definition 2 Common Box Cutter Styles Typical box cutter with full housing Folding style pocket box blade Inexpensive fixed blade with metal sheath “ Snap-Off […]

Boom Trucks (Download) Boom Trucks 1 What is a Boom Truck A boom truck is a large flatbed truck used to haul materials that is equipped with an integral boom for the purpose of loading and unloading materials. In some cases, baskets are attached to the end of a boom. 2 Hazards Electrical Overloading truck […]

Axes-Brush (Download) Brush Axes http://www.americantrails.org/resources/info/tools3.html 1 Brush Axe A gardening and landscaping tool resembling an axe with a 12-inch (30 cm) curved blade and a 36-inch (91 cm) handle. It is commonly used by surveying crews to clear out heavy undergrowth from trails. karlkuemmerling.com/store/product7.html 2 Description and Use In the construction industry the brush axe is very […]