(function(){var loadHandler=window['sl_{4822678C-9FA3-4DDD-8D67-9B858A3881E6}'];loadHandler&&loadHandler(8, '<div id="spr0_533f8dd"><div id="spr1_533f8dd" class="kern slide"><img id="img0_533f8dd" src="data/img1.png" width="720px" height="540px" alt="" style="left:0px;top:0px;"/></div><div id="spr2_533f8dd" class="kern slide"><div id="spr3_533f8dd" style="left:18px;top:126.625px;"><div style="width:0px;"><span id="txt0_533f8dd" class="nokern relpos" dir="auto" style="left:7.209px;top:4.97px;">-</span> <span id="txt1_533f8dd" class="relpos" data-width="364.486816" style="left:14.709px;top:4.97px;">Trong tự nhiên, sắt có ở đâu ?</span></div></div><div id="spr4_533f8dd" style="left:18px;top:126.625px;"><div style="width:0px;"><span id="txt2_533f8dd" class="nokern relpos" dir="auto" style="left:7.209px;top:37.37px;">-</span> <span id="txt3_533f8dd" class="relpos" data-width="627.433594" style="left:14.209px;top:37.37px;">Trong tự nhiên, sắt có trong các thiên thạch và trong</span></div><div style="width:0px;"><span id="txt4_533f8dd" data-width="175.618652" style="left:7.2px;top:69.77px;">các quặng sắt.</span></div></div><div id="spr5_533f8dd" style="left:18px;top:126.625px;"><div style="width:0px;"><span id="txt5_533f8dd" class="nokern relpos" dir="auto" style="left:7.209px;top:102.17px;">-</span> <span id="txt6_533f8dd" class="relpos" data-width="520.936523" style="left:14.709px;top:102.17px;">Gang, thép đều có thành phần nào chung ?</span></div></div><div id="spr6_533f8dd" style="left:18px;top:126.625px;"><div style="width:0px;"><span id="txt7_533f8dd" class="nokern relpos" dir="auto" style="left:7.209px;top:134.57px;">-</span> <span id="txt8_533f8dd" class="relpos" data-width="561.027832" style="left:7.209px;top:134.57px;">Gang, thép đều là hợp kim của sắt và các-bon.</span></div></div><div id="spr7_533f8dd" style="left:18px;top:126.625px;"><div style="width:0px;"><span id="txt9_533f8dd" class="nokern relpos" dir="auto" style="left:7.209px;top:166.97px;">-</span> <span id="txt10_533f8dd" class="relpos" data-width="432.000000" style="left:14.709px;top:166.97px;">Gang, thép khác nhau ở điểm nào ?</span></div></div><div id="spr8_533f8dd" style="left:18px;top:126.625px;"><div style="width:0px;"><span id="txt11_533f8dd" class="nokern relpos" dir="auto" style="left:7.209px;top:199.846px;">-</span> <span id="txt12_533f8dd" class="relpos" data-width="657.202148" style="left:7.209px;top:199.846px;">Gang có nhiều các-bon hơn thép. Gang rất cứng, giòn,</span></div><div style="width:0px;"><span id="txt13_533f8dd" data-width="400.491211" style="left:7.2px;top:235.486px;">không thể uốn hay kéo thành sợi.</span></div></div><div id="spr9_533f8dd" style="left:18px;top:126.625px;"><div style="width:0px;"><span id="txt14_533f8dd" class="nokern relpos" dir="auto" style="left:7.209px;top:271.126px;">-</span> <span id="txt15_533f8dd" class="relpos" data-width="609.556641" style="left:14.209px;top:271.126px;">Thép có ít các-bon hơn gang, ngoài ra thép còn có</span></div><div style="width:0px;"><span id="txt16_533f8dd" data-width="630.413086" style="left:7.2px;top:306.766px;">thêm một số chất khác. Thép có tính chất cứng, bền,</span></div><div style="width:0px;"><span id="txt17_533f8dd" data-width="671.018555" style="left:7.2px;top:340.332px;">dẻo,… Có loại thép bị gỉ nhưng cũng có loại không bị gỉ.</span></div></div><div id="spr10_533f8dd" style="left:204px;top:86px;"><div style="width:0px;"><span id="txt18_533f8dd" data-width="229.343750" style="left:38.562px;top:5.224px;">Sắt, gang, thép</span></div></div></div></div>', '{"s":[]}');})();