\n
Ch\u1ecdn\u00a0g\u00e0\u00a0<\/span>\u0111\u00e1 hay qua\u00a0b\u00ed quy\u1ebft\u00a0<\/span>xem l\u01b0\u1ee1i\u00a0ch\u01a1i \u0111\u00e1 g\u00e0<\/span><\/p>\n<\/div>\nv\u00ed nh\u01b0<\/span>\u00a0ch\u1ea1m ch\u00e1n\u00a0<\/span>h\u00f9ng k\u00ea \u0111\u1ea1i chi\u1ebfn\u00a0<\/span>ko<\/span>\u00a0s\u1edf h\u1eefu\u00a0<\/span>l\u01b0\u1ee1i,\u00a0\u0111\u1ea5y<\/span>\u00a0l\u00e0 qu\u00fd,\u00a0n\u1ebfu<\/span>\u00a0\u201cth\u1ea7n th\u00e1nh\u201d, \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng \u201cth\u1ea7n k\u00ea\u201d.\u00a0b\u1edfi\u00a0<\/span>ko<\/span>\u00a0l\u01b0\u1ee1i n\u00ean\u00a0l\u00fac<\/span>\u00a0g\u00e1y ph\u00e1t ra \u00e2m thanh k\u1ef3 l\u1ea1, gi\u1eadt ba\u00a0t\u01b0\u00a0<\/span>ti\u1ebfng.
\nk\u1ec3<\/span>\u00a0l\u00e0\u00a0kh\u00f4ng\u00a0<\/span>l\u01b0\u1ee1i, k\u1ef3 th\u1eadt l\u01b0\u1ee1i\u00a0v\u1edbi\u00a0<\/span>,\u00a0nh\u01b0ng\u00a0<\/span>th\u1ee5t qu\u00e1 s\u00e2u xu\u1ed1ng d\u00f3c h\u1ecdng\u00a0kh\u00f4ng<\/span>\u00a0th\u1ea5y.
\n+ L\u01b0\u1ee1i th\u1ee5t s\u00e2u xu\u1ed1ng b\u1ed1c h\u1ecdng,\u00a0gi\u1ea3 d\u1ee5<\/span>\u00a0s\u1edf h\u1eefu\u00a0<\/span>th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c, c\u0169ng r\u1ea5t qu\u00fd,\u00a0g\u00e0\u00a0<\/span>n\u00e0y g\u00e1y th\u01b0\u1eddng\u00a0kh\u00e1c bi\u1ec7t\u00a0<\/span>s\u1edf h\u1eefu\u00a0<\/span>ch\u01a1i \u0111\u00e1 g\u00e0\u00a0<\/span>kh\u00e1c, l\u00e0 \u0111\u00fang n\u00f3.
\n+\u00a0g\u00e0 ch\u1ecdi\u00a0<\/span><\/strong>c\u00f3\u00a0<\/span>l\u01b0\u1ee1i \u0111en ho\u1eb7c b\u1edbt \u0111en \u0111\u1ec1u qu\u00fd, g\u1ecdi l\u00e0 \u201clinh k\u00ea\u201d.
\n+ \u0110\u1ea7u l\u01b0\u1ee1i \u0111\u01b0\u1ee3c ch\u1ebb\u00a0khi\u1ebfn cho\u00a0<\/span>\u0111\u00f4i, c\u0169ng l\u00e0\u00a0d\u00f2ng\u00a0<\/span>h\u00f9ng k\u00ea \u0111\u1ea1i chi\u1ebfn\u00a0<\/span>hay l\u1eafm.
\n+ Ngo\u00e0i \u0111\u1ea7u l\u01b0\u1ee1i t\u1ef1a nh\u01b0 b\u1ecb c\u1eaft b\u1eb1ng ngang, l\u01b0\u1ee1i\u00a0c\u1ed9c l\u1ed1c\u00a0<\/span>,\u00a0g\u00e0 ch\u1ecdi\u00a0<\/span>n\u00e0y\u00a0thi tho\u1ea3ng\u00a0<\/span>v\u00e0 qu\u00fd.
\nchi\u1ebfm h\u1eefu\u00a0<\/span>c\u00e1c<\/span>\u00a0\u0111\u1eb7c \u0111i\u1ec3m trong l\u01b0\u1ee1i nh\u01b0 th\u1ebf \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0\u00a0g\u00e0<\/span>\u00a0\u201c\u1ea9n t\u01b0\u1edbng\u201d ho\u1eb7c \u201c\u1ee7 t\u01b0\u1edbng\u201d c\u0169ng v\u1eady \u0111\u1ec1u\u00a0t\u1ed1t<\/span>\u00a0c\u1ea3.
\n\u2013 L\u01b0\u1ee1i r\u00f9a, \u0111o\u1ea3n thi\u1ec7t:\u00a0ch\u01a1i \u0111\u00e1 g\u00e0\u00a0<\/span>c\u00f3\u00a0<\/span>l\u01b0\u1ee1i th\u1ee5t s\u00e2u ho\u1eb7c b\u1ecb c\u1eaft ngang,\u00a0c\u00e1i\u00a0<\/span>\u201cth\u1ea7n k\u00ea\u201d.
\n\u2013 B\u1ea1ch thi\u1ec7t:\u00a0g\u00e0 ch\u1ecdi\u00a0<\/span>l\u01b0\u1ee1i tr\u1eafng, th\u01b0\u1eddng t\u00f9y con.
\n\u2013 H\u1eafc thi\u1ec7t:\u00a0ch\u01a1i \u0111\u00e1 g\u00e0\u00a0<\/span>l\u01b0\u1ee1i \u0111en, \u201clinh k\u00ea\u201d.
\n\u2013 L\u01b0\u1ee1ng thi\u1ec7t: l\u01b0\u1ee1i\u00a0chi\u1ebfn k\u00ea\u00a0<\/span>ch\u1ebb\u00a0l\u00e0m cho\u00a0<\/span>\u0111\u00f4i, \u201cg\u00e0 chi\u1ebfn\u201d.
\n\u2013 L\u01b0\u1ee1i\u00a0g\u00e0 ch\u1ecdi<\/span>\u00a0b\u00e9o\u00a0<\/span>b\u1ea3n:\u00a0bi\u1ec3u l\u1ed9\u00a0<\/span>s\u1ef1\u00a0l\u1edd l\u1eefng\u00a0<\/span>.
\n\u2013 L\u01b0\u1ee1i\u00a0g\u00e0 ch\u1ecdi\u00a0<\/span>b\u00e9 d\u1ea1i<\/span>\u00a0nh\u01b0 m\u00e3 kim: lanh l\u1eb9\u00a0s\u1edf h\u1eefu<\/span>\u00a0th\u1eeba.<\/p>\n<\/span>Ch\u1ecdn\u00a0h\u00f9ng k\u00ea \u0111\u1ea1i chi\u1ebfn\u00a0<\/span>\u0111\u00e1 hay b\u1eb1ng\u00a0c\u00e1ch th\u1ee9c\u00a0<\/span>xem ng\u1ef1c\u00a0chi\u1ebfn k\u00ea<\/span><\/span><\/h3>\n\u0110\u1ec3\u00a0chi\u1ebfm h\u1eefu\u00a0<\/span>th\u1ec3 nu\u00f4i \u0111\u01b0\u1ee3c\u00a01\u00a0<\/span>ch\u00fa\u00a0h\u00f9ng k\u00ea \u0111\u1ea1i chi\u1ebfn\u00a0<\/span>r\u1ebb\u00a0<\/span>, \u0111\u00e1 hay .R\u1ea5t\u00a0ph\u1ed5 th\u00f4ng\u00a0<\/span>ch\u1ee7 k\u00ea \u0111\u00e3 ph\u1ea3i b\u1ecf ra\u00a0ko<\/span>\u00a0\u00edt\u00a0c\u00f4ng phu\u00a0<\/span>v\u00e0\u00a0ti\u1ec1n nong\u00a0<\/span>, th\u1ebf\u00a0m\u00e0<\/span>\u00a0kh\u00f4ng ph\u1ea3i<\/span>\u00a0ai<\/span>\u00a0c\u0169ng\u00a0s\u1edf h\u1eefu<\/span>\u00a0th\u1ec3\u00a0s\u1edf h\u1eefu\u00a0<\/span>m\u1ed9t<\/span>\u00a0h\u00f9ng k\u00ea \u0111\u1ea1i chi\u1ebfn\u00a0<\/span>th\u1ea5p\u00a0<\/span>, \u0111\u00e1 hay .<\/p>\nB\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y t\u00f4i mu\u1ed1n\u00a0san s\u1ebb<\/span>\u00a0\u0111\u1ebfn\u00a0<\/span>Anh ch\u1ecb\u00a0<\/span>kinh nghi\u1ec7m\u00a0<\/span>ch\u1ecdn\u00a0g\u00e0 ch\u1ecdi\u00a0<\/span>hay qua\u00a0c\u00e1ch th\u1ee9c\u00a0<\/span>xem ng\u1ef1c\u00a0h\u00f9ng k\u00ea \u0111\u1ea1i chi\u1ebfn\u00a0<\/span>k\u00ec v\u1ecdng<\/span>\u00a0s\u1ebd g\u00f3p ph\u1ea7n\u00a0b\u00e9 d\u1ea1i<\/span>cho\u00a0b\u1ea1n b\u00e8<\/span>\u00a0trong vi\u1ec7c nu\u00f4i d\u1ef1ng\u00a0nh\u1eefng<\/span>\u00a0h\u00f9ng k\u00ea \u0111\u1ea1i chi\u1ebfn\u00a0<\/span>t\u1ed1t\u00a0<\/span>nh\u1ea5t!<\/p>\n\n
Ch\u1ecdn\u00a0chi\u1ebfn k\u00ea\u00a0<\/span>\u0111\u00e1 hay b\u1eb1ng\u00a0ch\u1ebf \u0111\u1ed9\u00a0<\/span>xem ng\u1ef1c\u00a0g\u00e0<\/span><\/p>\n<\/div>\n\u201c\u1ee8c ng\u01b0\u1ee1ng nghinh thi\u00ean\u201d<\/strong><\/p>\nNg\u1ef1c\u00a0\u0111\u00e1 g\u00e0\u00a0<\/span>c\u00f3\u00a0<\/span>nh\u1ecb<\/span>\u00a0h\u00ecnh d\u00e1ng\u00a0<\/span>\u0111\u1eb7c bi\u1ec7t\u00a0<\/span>,\u00a01\u00a0<\/span>l\u00e0 b\u1eb1ng l\u1ef3, d\u1ef1ng \u0111\u1ee9ng,\u00a0nh\u1ecb\u00a0<\/span>l\u00e0\u00a0t\u01b0\u01a1ng \u0111\u1ed1i\u00a0<\/span>cong xu\u00f4i v\u00e0o b\u1ee5ng. Ng\u1ef1c d\u1ef1ng \u0111\u1ee9ng, b\u1eb1ng\u00a0ph\u1ea3i ch\u0103ng\u00a0<\/span>h\u01a1n c\u1ea3.<\/p>\n+ M\u00e0u l\u00f4ng t\u1ea1i ng\u1ef1c\u00a0n\u1ebfu\u00a0<\/span>s\u1edf h\u1eefu\u00a0<\/span>m\u00e0u \u00f3, g\u1ecdi l\u00e0 \u201c\u1ee9c \u00f3\u201d,\u00a0th\u1ea5p\u00a0<\/span>,\u00a0ch\u1ecdi g\u00e0\u00a0<\/span>d\u1eef.<\/p>\n+ T\u1ea1i ng\u1ef1c,\u00a0chi\u1ebfm h\u1eefu\u00a0<\/span>m\u1ed9t<\/span>\u00a0l\u1ed7 h\u00f5m g\u1ecdi l\u00e0 \u201chang cua\u201d,\u00a0n\u1ebfu\u00a0<\/span>hang cua\u00a0b\u00e9 d\u1ea1i\u00a0<\/span>,\u00a0r\u1ebb\u00a0<\/span>.<\/p>\n+ Ng\u1ef1c\u00a0s\u1edf h\u1eefu\u00a0<\/span>theo b\u1ea7u di\u1ec1u, \u1edf b\u00ean ph\u1ea3i,\u00a0nh\u01b0ng m\u00e0\u00a0<\/span>n\u1ebfu nh\u01b0\u00a0<\/span>b\u1ea7u di\u1ec1u\u00a0\u0111\u00f3\u00a0<\/span>\u0111\u01b0\u1ee3c\u00a0\u0111\u00e1 g\u00e0\u00a0<\/span>mang<\/span>\u00a0b\u00ean tr\u00e1i,\u00a0v\u1edbi\u00a0<\/span>\u201cqu\u00fd t\u01b0\u1edbng\u201d, g\u1ecdi l\u00e0 \u201ctr\u1eef th\u1ef1c t\u1ea3\u2019.<\/p>\n+\u00a0khi<\/span>\u00a0g\u00e0\u00a0<\/span>\u0111i, ng\u1ef1c\u00a0ch\u01a1i \u0111\u00e1 g\u00e0\u00a0<\/span>kh\u00f4ng<\/span>\u00a0n\u1ea3y\u00a0ko<\/span>\u00a0rung th\u00ec\u00a0r\u1ebb\u00a0<\/span>,\u00a0g\u00e0 ch\u1ecdi\u00a0<\/span>\u0111\u1ea5y\u00a0<\/span>chi\u1ebfc\u00a0<\/span>gi\u1ed1ng qu\u00fd ph\u00e1i thu\u1ed9c\u00a0lo\u1ea1i\u00a0<\/span>ch\u01a1i \u0111\u00e1 g\u00e0\u00a0<\/span>\u201cv\u0103n t\u01b0\u1edbng\u201d,\u00a0chi\u1ebfm h\u1eefu\u00a0<\/span>m\u01b0u l\u01b0\u1ee3c chi\u1ebfn thu\u1eadt.<\/p>\n<\/span>Ch\u1ecdn\u00a0ch\u1ecdi g\u00e0\u00a0<\/span>\u0111\u00e1 hay qua ti\u1ebfng g\u00e1y<\/span><\/h3>\nD\u01b0\u1edbi \u0111\u00e2y l\u00e0\u00a01<\/span>\u00a0s\u1ed1\u00a0th\u1eddi gian t\u00ecm hi\u1ec3u\u00a0<\/span>ch\u1ecdn\u00a0ch\u01a1i \u0111\u00e1 g\u00e0\u00a0<\/span>hay qua ti\u1ebfng g\u00e1y\u00a0,\u00a0b\u1eb1ng h\u1eefu\u00a0<\/span>b\u1ea1n b\u00e8\u00a0<\/span>c\u1ed9ng\u00a0<\/span>tham kh\u1ea3o , ch\u00fac m\u1ecdi ng\u01b0\u1eddi\u00a0v\u1edbi\u00a0<\/span>\u0111\u01b0\u1ee3c\u00a0nh\u1eefng<\/span>\u00a0\u0111\u00e1 g\u00e0<\/span>\u00a0th\u1ea5p<\/span>nh\u1ea5t.<\/strong><\/p>\n\n
Ch\u1ecdn\u00a0ch\u1ecdi g\u00e0\u00a0<\/span>\u0111\u00e1 hay qua ti\u1ebfng g\u00e1y<\/p>\n<\/div>\n1) S\u1ed1 ti\u1ebfng:<\/strong>
\n\u0110\u01b0\u1ee3c x\u1ebfp h\u1ea1ng \u201cth\u1ea7n k\u00ea\u201d\u00a0b\u1edfi v\u00ec<\/span>\u00a0ko\u00a0<\/span>v\u1edbi<\/span>\u00a0l\u01b0\u1ee1i, n\u00ean\u00a0khi<\/span>\u00a0g\u00e1y ph\u00e1t ra \u00e2m thanh k\u1ef3 l\u1ea1, gi\u1eadt ba\u00a0t\u01b0\u00a0<\/span>ti\u1ebfng sau c\u00f9ng:
\n\u00d2 \u2013 \u00f3 \u2013 o \u2013 o (ta th\u1ea5y\u00a0t\u01b0<\/span>\u00a0ch\u1eef o t\u1ee9c\u00a0g\u00e0\u00a0<\/span>g\u00e1y\u00a0b\u1ed1n<\/span>\u00a0ti\u1ebfng).\u00a0\u0111\u00f3\u00a0<\/span>l\u00e0 ti\u1ebfng g\u00e1y th\u01b0\u1eddng nh\u1ea5t c\u1ee7a gi\u1ed1ng\u00a0g\u00e0 ch\u1ecdi<\/span>.
\nng\u01b0\u1ee3c l\u1ea1i<\/span>, \u201cth\u1ea7n k\u00ea\u201d g\u00e1y\u00a0t\u1eeb<\/span>\u00a0b\u1ea3y t\u00e1m ti\u1ebfng tr\u1edf \u0111i:
\n\u00d2 \u2013 \u00f3 \u2013 o \u2013 o \u2013 o \u2013 o \u2013 o (7 ti\u1ebfng,\u00a0c\u00e1c<\/span>\u00a0ti\u1ebfng o\u00a0nh\u1ecf d\u1ea1i\u00a0<\/span>l\u00e0 ti\u1ebfng gi\u1eadt).
\n+\u00a0ch\u1ecdi g\u00e0\u00a0<\/span>g\u00e1y 5\u00a0mang tai mang ti\u1ebfng\u00a0<\/span>chi\u1ebfn k\u00ea\u00a0<\/span>s\u1edf h\u1eefu\u00a0<\/span>t\u00e0i (\u00d2 \u2013 \u00f3 \u2013 o \u2013 o \u2013 o ).
\n+\u00a0\u0111\u00e1 g\u00e0\u00a0<\/span>g\u00e1y ba ti\u1ebfng, ti\u1ebfng g\u00e1y\u00a0nh\u01b0 v\u1eady\u00a0<\/span>ko\u00a0<\/span>r\u1ebb<\/span>,\u00a0bi\u1ec3u l\u1ed9\u00a0<\/span>s\u1ef1\u00a0th\u1ea5p k\u00e9m\u00a0<\/span>( \u00d2 \u2013 \u00f3 \u2013 o ).
\n2) S\u1ed1 \u00e2m thanh:<\/strong>
\n\u00c2m thanh\u00a0g\u00e0 ch\u1ecdi\u00a0<\/span>g\u00e1y tr\u1ea7m b\u1ed5ng\u00a0kh\u00e1c bi\u1ec7t\u00a0<\/span>,\u00a0ph\u1ed5 th\u00f4ng\u00a0<\/span>gi\u1ecdng\u00a0kh\u00e1c bi\u1ec7t<\/span>.
\nTi\u1ebfng\u00a0sau c\u00f9ng\u00a0<\/span>l\u00e0 \u00e2m thanh h\u1ea1\u00a0t\u1ed1t\u00a0<\/span>nh\u1ea5t,\u00a0ko\u00a0<\/span>r\u1ebb\u00a0<\/span>,\u00a0ph\u1ea7n l\u1edbn<\/span>\u00a0d\u1edf.\u00a0t\u1ec9 d\u1ee5\u00a0<\/span>: \u00f2 \u2013 \u00f3 \u2013 o \u2013 \u00f2 4 ti\u1ebfng (th\u1ea5p, cao, v\u1eeba,th\u1ea5p).
\nTi\u1ebfng\u00a0sau c\u00f9ng\u00a0<\/span>l\u00e0 \u00e2m thanh v\u1eeba,\u00a0