resources and opportunity. Settlers began using trees and wood in a plethora of ways. Not only was it used for families own use‚ many began logging forests as a business; a very profitable business at that. Once wood started being used for beneficial purposes‚ a snowball effect occurred by the settlers to cut down every tree in sight and turn it into a profit. Logging was the process of cutting down numerous amounts of trees to use wood in a capitalist way or to clear land for agricultural purposes
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your hand at making lye: two plastic buckets (a small one and a large one ? The small one should fit into the large one in such a way that liquid from the small one drips slowly into the large one); some fresh ash from burning hard wood (you can even burn some hard wood to get this); gallons of rain water and a handful of straw. Now to the step-by-step process: 2. Make a few holes in the small bucket. Better if the holes are tiny enough to allow only liquid stuff through. Check after you make
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is a skilled trade in which the primary work performed is the cutting‚ shaping and installation of building materials during the construction of buildings‚ ships‚ timber bridges‚ concrete formwork. Carpenters traditionally worked with natural wood and did the rougher work such as framing‚ but today many other materials are also used and sometimes the finer trades of cabinetmaking and furniture building are considered carpentry. TYPES OF CARPENTERS 1. A finish carpenter
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Defects of Timber A defect is an irregularity or abnormality occurring in or on wood which is responsible for its Strength reduction; Lowering of durability; Lowering of utility; Poor appearance; and‚ Decay Classification of Defects: a. Caused due to natural forces b. Caused due to insects c. Caused due to fungi d. Caused due to conversion e. Caused due to seasoning a) Defects due to natural forces: Chemical stain - the wood is sometimes discolored by the chemical action caused with it by some external
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The essential difference between the wood from hardwoods and softwoods is the presence of vessels in hardwoods‚ resin canals & rays. • Vessels -These are continuous pipes running the length of the tree and serve as conduits for water and nutrients in the outer layers of wood in a growing tree. • Resin Canals – Tubular passages surrounded by Parenchymal Epithelial Cells. Exude pitch & resin into canals. •
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To be opened on receipt AS GCE APPLIED INFORMATION AND COMMUNICATION TECHNOLOGY G041/01/IC How organisations use ICT INSTRUCTIONS FOR CANDIDATES * 2 7 1 9 3 0 5 7 0 9 * JUNE 2015 INFORMATION FOR CANDIDATES • This document consists of 12 pages. Any blank pages are indicated. © OCR 2015 [Y/102/6808] DC (LEG/SG) 100950/2 OCR is an exempt Charity Turn over 2 NOTICE TO CANDIDATES The work you submit for these pre-release tasks must be your own. • If you copy from someone else or allow another
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that is light-weight while still able to support 15 kilograms. With this project it serves to reinforce the cumulative concepts that have been taught throughout this semester of Engineering Statics. It has been necessary to research designs‚ types of wood‚ and types of adhesive that will create a final result that is consistent with the desired result. Literature Review: The design concept behind a cantilever truss consists of a series of triangles joined together. The strength of these individual
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HARDWOOD Hardwood is wood from angiosperm trees (more strictly speaking non-monocot angiosperm trees). It may also be used for those trees themselves: these are usually broad-leaved; in temperate and boreal latitudes they are mostly deciduous‚ but in tropics and subtropics mostly evergreen. Hardwood contrasts with softwood (which is from Gymnosperm trees). Hardwoods are not necessarily harder than softwoods. In both groups there is an enormous variation in actual wood hardness‚ with the range in
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on stilts or the African but‚ wood has been the basic material used for men’s housing to provide shelter from the animals. The wigwam and the African hut were built round a frame of timber. The elaborately attractive black and white houses of ’Merrie England’ in the sixteenth century depended on wooden frames. even today‚ when steel girders from the frameworld of our huge modern buildings like those in the Raffles City in Singapore or the sky-scrapers of New York‚ wood still forms an important part
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enters the tree through its roots. After being absorbed by the roots‚ water travels all the way through the trunk to reach the leaves where the actual process takes place. Sugar is produced in the leaves during photosynthesis. It is transported into the wood and stored during the winter‚ mostly in the form of carbohydrates. It is then converted to sucrose and dissolved in the
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