8034002|3 Important Domestic Inventions|254666|The Beakers|738227|Four Steps Toward a Cultural Revolution|3035139|189|1|1|0|7587342|3035139|7|0|0|0|4358879|4537256|0|004dRvVi0qkyxG|000fITuf397JsU|0023VHAS3ou6r4
8034002|3 Important Domestic Inventions|254666|The Beakers|738227|Four Steps Toward a Cultural Revolution|3035139|189|1|1|0|7587342|3035139|7|0|0|0|4358879|4537256|0|004dRvVi0qkyxG|000fITuf397JsU|0023VHAS3ou6r4