{"id":547,"date":"2024-08-17T15:17:49","date_gmt":"2024-08-17T13:17:49","guid":{"rendered":"https:\/\/gezhi-tech.com\/?p=547"},"modified":"2025-10-05T09:17:05","modified_gmt":"2025-10-05T07:17:05","slug":"clause-3-how-to-understand-the-definition-of-class-ii-construction","status":"publish","type":"post","link":"https:\/\/gezhi-tech.com\/vi\/clause-3-how-to-understand-the-definition-of-class-ii-construction\/","title":{"rendered":"Kho\u1ea3n 3 \u2013 C\u00e1ch hi\u1ec3u \u0111\u1ecbnh ngh\u0129a \u201cc\u00f4ng tr\u00ecnh c\u1ea5p II\u201d"},"content":{"rendered":"\u1ede \u0111\u00e2y nh\u1ea5n m\u1ea1nh v\u00e0o m\u1ed9t ph\u1ea7n k\u1ebft c\u1ea5u c\u1ee7a thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 c\u00e1ch \u0111i\u1ec7n k\u00e9p ho\u1eb7c c\u00e1ch \u0111i\u1ec7n t\u0103ng c\u01b0\u1eddng. Do \u0111\u00f3, thi\u1ebft b\u1ecb Lo\u1ea1i I c\u0169ng s\u1ebd c\u00f3 c\u1ea5u tr\u00fac Lo\u1ea1i II .<br>V\u00ed d\u1ee5: L\u00f2 n\u01b0\u1edbng trong h\u00ecnh b\u00ean d\u01b0\u1edbi s\u1eed d\u1ee5ng v\u1ecf kim lo\u1ea1i v\u00e0 n\u00fam c\u00f4ng t\u1eafc b\u1eb1ng nh\u1ef1a. Khi ng\u01b0\u1eddi d\u00f9ng ch\u1ea1m v\u00e0o n\u00fam c\u00f4ng t\u1eafc, n\u00fam n\u00e0y \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n v\u00e0 kh\u00f4ng th\u1ec3 n\u1ed1i \u0111\u1ea5t. Vi\u1ec7c b\u1ea3o v\u1ec7 kh\u1ecfi \u0111i\u1ec7n gi\u1eadt ch\u1ec9 c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n c\u1ee7a n\u00fam v\u1eb7n. C\u00f3 l\u1edbp c\u00e1ch \u0111i\u1ec7n c\u01a1 b\u1ea3n gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn mang \u0111i\u1ec7n b\u00ean trong c\u00f4ng t\u1eafc v\u00e0 tr\u1ee5c n\u00fam c\u00f4ng t\u1eafc, \u0111\u1ed3ng th\u1eddi n\u00fam c\u00f4ng t\u1eafc t\u1ea1o th\u00e0nh l\u1edbp c\u00e1ch \u0111i\u1ec7n b\u1ed5 sung. V\u00ec v\u1eady, v\u1ecb tr\u00ed n\u00fam c\u00f4ng t\u1eafc l\u00e0 k\u1ebft c\u1ea5u c\u1ea5p II.<br>\n<figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"925\" height=\"712\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/oven-class-I-appliance-with-class-II-construction-1.jpg\" alt=\"\" class=\"wp-image-553\" srcset=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/oven-class-I-appliance-with-class-II-construction-1.jpg 925w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/oven-class-I-appliance-with-class-II-construction-1-300x231.jpg 300w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/oven-class-I-appliance-with-class-II-construction-1-768x591.jpg 768w\" sizes=\"auto, (max-width: 925px) 100vw, 925px\" \/><br>\n<\/figure><div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"247\" height=\"204\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/switch-knob.jpg\" alt=\"\" class=\"wp-image-555\"\/><br>\n<\/figure><\/div><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/switch-for-oven-1.webp\" alt=\"\" class=\"wp-image-572\" srcset=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/switch-for-oven-1.webp 600w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/switch-for-oven-1-300x300.webp 300w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/switch-for-oven-1-150x150.webp 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><br>\n<\/figure><\/div><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/internal-view-for-switch-mode-oven-1.webp\" alt=\"\" class=\"wp-image-573\" srcset=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/internal-view-for-switch-mode-oven-1.webp 600w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/internal-view-for-switch-mode-oven-1-300x300.webp 300w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/internal-view-for-switch-mode-oven-1-150x150.webp 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><br>\n<\/figure><\/div><\/div><br>\n<br>\n\u00a0<br>\n<br>\n\u00a0","protected":false},"excerpt":{"rendered":"<p>\u1ede \u0111\u00e2y nh\u1ea5n m\u1ea1nh v\u00e0o m\u1ed9t ph\u1ea7n k\u1ebft c\u1ea5u c\u1ee7a thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 c\u00e1ch \u0111i\u1ec7n k\u00e9p ho\u1eb7c c\u00e1ch \u0111i\u1ec7n t\u0103ng c\u01b0\u1eddng. 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