div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page1jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page2jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails2jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page3jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails3jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page4jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails4jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page5jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails5jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page6jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails6jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page7jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails7jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=8Page 8button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page8jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=8 data-page=8 class=ts-thumb lazyload alt=Page 8: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails8jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page9jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails9jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page10jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails10jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page11jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=11 data-page=11 class=ts-thumb lazyload alt=Page 11: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails11jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page12jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails12jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page13jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=13 data-page=13 class=ts-thumb lazyload alt=Page 13: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails13jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=14Page 14button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page14jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=14 data-page=14 class=ts-thumb lazyload alt=Page 14: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails14jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=15Page 15button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page15jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=15 data-page=15 class=ts-thumb lazyload alt=Page 15: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails15jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=16Page 16button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page16jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=16 data-page=16 class=ts-thumb lazyload alt=Page 16: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails16jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=17Page 17button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page17jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=17 data-page=17 class=ts-thumb lazyload alt=Page 17: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails17jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=18Page 18button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page18jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=18 data-page=18 class=ts-thumb lazyload alt=Page 18: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails18jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=19Page 19button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page19jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=19 data-page=19 class=ts-thumb lazyload alt=Page 19: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails19jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=20Page 20button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page20jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=20 data-page=20 class=ts-thumb lazyload alt=Page 20: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails20jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=21Page 21button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page21jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=21 data-page=21 class=ts-thumb lazyload alt=Page 21: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails21jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=22Page 22button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page22jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=22 data-page=22 class=ts-thumb lazyload alt=Page 22: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails22jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=23Page 23button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page23jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=23 data-page=23 class=ts-thumb lazyload alt=Page 23: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails23jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=24Page 24button div class=ts-imagea href=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5page24jpg target=_blank img data-url=-suy-giam-chc-nang-an-toan-cua-thiet-bi-dien-ke-ca-cac-dich-vu-an-toanhtmlpage=24 data-page=24 class=ts-thumb lazyload alt=Page 24: vanbanphapluatco · suy giåm chc nång an toàn cùa thiét bi diën ké cà các dich vu an toàn CH13 THíCH 1: Ðé båo ve khòi các hiêu úng vè nhiêt có thé áp dung loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentspubreader042viewer20220412095d67135088c993ac378b966bhtml5thumbnails24jpg width=140 height=200 adivdiv
