{"id":15484,"date":"2021-02-08T00:01:40","date_gmt":"2021-02-07T23:01:40","guid":{"rendered":"https:\/\/detgroennemuseum.dk\/?p=15484"},"modified":"2025-12-12T13:18:36","modified_gmt":"2025-12-12T12:18:36","slug":"the-chainsaw-and-the-chainsaw","status":"publish","type":"post","link":"https:\/\/detgroennemuseum.dk\/en\/skovsaven-og-motorsaven\/","title":{"rendered":"Homeschool: Forestry"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h1>The forest saw and the chainsaw<\/h1>\n\n\t\t<\/div>\n\t<\/div>\n<div class=\"vc_empty_space\"   style=\"height: 32px\"><span class=\"vc_empty_space_inner\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p><strong>Forestry has always been hard physical work. Until around 1950, forest workers used axes and forest saws to fell trees and shorten trunks. Then the chainsaw came along, and the work became more efficient, but also more dangerous.<\/strong><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<div class=\"vc_empty_space\"   style=\"height: 32px\"><span class=\"vc_empty_space_inner\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<style>.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }<\/style>\n<div class=\"embed-container\"><iframe data-src=\"https:\/\/www.youtube.com\/embed\/\/BIPnOQMwfp8\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" data-load-mode=\"1\"><\/iframe><\/div>\n\n\t\t<\/div>\n\t<\/div>\n<div class=\"vc_empty_space\"   style=\"height: 32px\"><span class=\"vc_empty_space_inner\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>In the late 1800s, the forest saw was one of the most widely used tools for working in the forest. The saw was used by two men, one at each end, so forest workers always worked in pairs. It was used to fell trees and saw them up into shorter pieces. In the 1950s, the first chainsaws were introduced, and forestry work became more efficient. It was still common to work in pairs, not least for safety reasons.<\/p>\n<p>After a selected tree was felled, the wood was divided into different assortments, depending on what it was to be used for. Thin branches and twigs became kindling, thick branches became firewood, and the trunks were sawn up at sawmills so that the wood could be used for, for example, furniture, floorboards, and roof rafters, depending on the type of wood and quality.<\/p>\n<p>The introduction of machinery in forestry, mechanization, meant more dangerous work. Felling trees requires good planning to avoid accidents at work, and when the first chainsaws were produced, little thought was given to occupational safety. The chainsaws lacked a chain brake, which could cause severe cutting injuries. They vibrated heavily and had cold metal handles, so you got &quot;white fingers&quot;, that is, numb fingers. The noise level was high, and they emitted exhaust gases that smelled bad. Safety equipment such as cutting trousers, helmets and hearing protection only came into use from the late 1960s, and has become more and more advanced to this day. For example, forest workers today wear cutting trousers with Kevlar inserts. This is the same material that bulletproof vests are made of!<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<div class=\"vc_empty_space\"   style=\"height: 32px\"><span class=\"vc_empty_space_inner\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><strong>Pictures<\/strong><\/h2>\n\n\t\t<\/div>\n\t<\/div>\n<div class=\"vc_empty_space\"   style=\"height: 32px\"><span class=\"vc_empty_space_inner\"><\/span><\/div><style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">.gallery-shortcode.gallery-masonry-shortcode-id-7f134993d7d3d27cc031a6df89ab8508 figure,\n.gallery-shortcode.gallery-masonry-shortcode-id-7f134993d7d3d27cc031a6df89ab8508 .rollover,\n.gallery-shortcode.gallery-masonry-shortcode-id-7f134993d7d3d27cc031a6df89ab8508 img,\n.gallery-shortcode.gallery-masonry-shortcode-id-7f134993d7d3d27cc031a6df89ab8508 .gallery-rollover {\n  border-radius: 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data-phone-columns-num=\"2\" data-width=\"0px\" data-columns=\"0\"><div class=\"iso-container\" ><div class=\"wf-cell iso-item\" data-post-id=\"15485\" data-date=\"2021-02-07T12:22:42+01:00\" data-name=\"Motorsav fra museets samling\"><figure class=\"post visible\"><a href=\"https:\/\/detgroennemuseum.dk\/wp-content\/smush-webp\/2021\/02\/Hjemmeskole_skovsaven_motorsaven_Motorsav-fra-museets-samlinger-scaled.jpg.webp\" class=\"rollover dt-pswp-item layzr-bg\" data-large_image_width=\"2560\" data-large_image_height=\"1707\" data-dt-img-description=\"Motorsav fra museets samling\" title=\"Chainsaw from the museum&#039;s collection\"><img fetchpriority=\"high\" decoding=\"async\" class=\"preload-me iso-lazy-load aspect\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20368%20245&#39;%2F%3E\" data-src=\"https:\/\/detgroennemuseum.dk\/wp-content\/uploads\/2021\/02\/Hjemmeskole_skovsaven_motorsaven_Motorsav-fra-museets-samlinger-scaled-368x245.jpg\" data-srcset=\"https:\/\/detgroennemuseum.dk\/wp-content\/uploads\/2021\/02\/Hjemmeskole_skovsaven_motorsaven_Motorsav-fra-museets-samlinger-scaled-368x245.jpg 368w, https:\/\/detgroennemuseum.dk\/wp-content\/uploads\/2021\/02\/Hjemmeskole_skovsaven_motorsaven_Motorsav-fra-museets-samlinger-scaled-552x368.jpg 552w\" loading=\"eager\" style=\"--ratio: 368 \/ 245\" sizes=\"(max-width: 368px) 100vw, 368px\" alt=\"Chainsaw from the museum&#039;s collection\" width=\"368\" height=\"245\"  \/><span class=\"gallery-rollover\"><span class=\"gallery-zoom-ico icomoon-the7-font-the7-zoom-06\"><span><\/span><\/span><\/span><\/a><\/figure><\/div><\/div><!-- iso-container|iso-grid --><\/div><div class=\"vc_empty_space\"   style=\"height: 32px\"><span class=\"vc_empty_space_inner\"><\/span><\/div><div class=\"ult-content-box-container\" >\t\t<div class=\"ult-content-box\" style=\"background-color:#98c218;box-shadow: px px px px none;padding:2em;-webkit-transition: all 700ms ease;-moz-transition: all 700ms ease;-ms-transition: all 700ms ease;-o-transition: all 700ms ease;transition: all 700ms ease;\"  data-hover_box_shadow=\"none\"     data-bg=\"#98c218\" >\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><span style=\"color: #ffffff;\">Overview<\/span><\/h2>\n\n\t\t<\/div>\n\t<\/div>\n<div class=\"vc_empty_space\"   style=\"height: 32px\"><span class=\"vc_empty_space_inner\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p><span style=\"color: #ffffff;\"><strong>Grade level<\/strong>: Elementary\/intermediate level<\/span><\/p>\n<p><span style=\"color: #ffffff;\"><strong>Subject:<\/strong> History, science\/technology, mathematics<\/span><\/p>\n<p><span style=\"color: #ffffff;\"><strong>Content\/tags:<\/strong> forest worker&#039;s equipment, long saws, chainsaws, volume<\/span><\/p>\n<p><span style=\"color: #ffffff;\"><strong>Today&#039;s idea suggestion<\/strong>: Work with volume. Find something you want to calculate the volume of and try the method, which you can see if you follow the link. It&#039;s actually for grades 7-9, but the method itself is simple: <a style=\"color: #ffffff;\" href=\"https:\/\/www.webmatematik.dk\/lektioner\/7-9-klasse\/rumfang-og-overfladeareal\/rumfang-af-skave-figurer\" target=\"_blank\" rel=\"noopener\">https:\/\/www.webmatematik.dk\/lektioner\/7-9-klasse\/rumfang-og-overfladeareal\/rumfang-af-skave-figurer<\/a><\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n\t\t<\/div><\/div><div class=\"vc_empty_space\"   style=\"height: 32px\"><span class=\"vc_empty_space_inner\"><\/span><\/div><\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The forest saw and the chainsaw Forestry work has always been hard physical work. Until around 1950, forest workers used axes and forest saws to fell trees and shorten trunks. Then the chainsaw came along, and\u2026<\/p>","protected":false},"author":13,"featured_media":15485,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"template-microsite.php","format":"standard","meta":{"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":""},"categories":[183],"tags":[98,87,117,89],"class_list":["post-15484","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hjemmeskole","tag-dansk","tag-historie","tag-matematik","tag-natur-teknik","category-183","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hjemmeskole: Skovarbejde - Det Gr\u00f8nne Museum<\/title>\n<meta name=\"description\" content=\"Oplev skovarbejdets historie og udvikling fra skovsaven til motorsaven. 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