Máy tách rác trống quay là gì? Cấu tạo và nguyên lý

Warning: http_response_code(): Cannot set response code - headers already sent (output started at /home/u405323716/domains/meb.vn/public_html/views/layout/header.php:9) in /home/u405323716/domains/meb.vn/public_html/index.php on line 96

LỖI: Call to undefined function meb_build_toc()

/home/u405323716/domains/meb.vn/public_html/views/pages/post.php:19

#0 /home/u405323716/domains/meb.vn/public_html/views/layout/main.php(78): require()
#1 /home/u405323716/domains/meb.vn/public_html/src/helpers.php(156): require('/home/u40532371...')
#2 /home/u405323716/domains/meb.vn/public_html/src/controllers/post.php(51): view()
#3 /home/u405323716/domains/meb.vn/public_html/index.php(57): require('/home/u40532371...')
#4 {main}