B\u1ecd ch\u00f3 l\u00e0 “qu\u1ef7 h\u00fat m\u00e1u” n\u1ed5i ti\u1ebfng, c\u01a1 th\u1ec3 n\u00f3 r\u1ea5t d\u1eb9t, th\u00e2n d\u00e0i c\u0169ng ch\u1ec9 c\u00f3 1 ~ 5 mm, \u0111\u1ea7u nh\u1ecf nh\u01b0ng kh\u00f4ng c\u00f3 c\u00e1nh.<\/p>\n\n\n\n
V\u1eady m\u00e0 \u0111\u1ed1i ph\u00f3 lo\u00e0i b\u1ecd ch\u00f3 b\u00e9 t\u00ed n\u00e0y l\u1ea1i kh\u00f4ng d\u1ec5 d\u00e0ng g\u00ec, mu\u1ed1n b\u1eaft s\u1ed1ng ch\u00fang l\u1ea1i c\u00e0ng kh\u00f3 h\u01a1n, b\u1edfi v\u00ec ch\u00fang l\u00e0 qu\u00e1n qu\u00e2n nh\u1ea3y m\u00faa trong th\u1ebf gi\u1edbi c\u00f4n tr\u00f9ng. K\u1ec9 l\u1ee5c th\u1ebf gi\u1edbi v\u1ec1 nh\u1ea3y cao c\u1ee7a b\u1ecd ch\u00f3 l\u00e0 22 cm, nh\u1ea3y xa l\u00e0 33 cm, ch\u00fang c\u00f2n c\u00f3 th\u1ec3 b\u00f2 tr\u00ean m\u1eb7t k\u00ednh vu\u00f4ng g\u00f3c.<\/p>\n\n\n\n
C\u0103n c\u1ee9 theo ti\u00eau chu\u1ea9n c\u1ee7a \u0111\u1ed9ng v\u1eadt b\u1eadc cao th\u00ec \u0111\u1ed9 cao 22 cm, kho\u1ea3ng c\u00e1ch 33 cm kh\u00f4ng c\u00f3 g\u00ec l\u00e0 gi\u1ecfi c\u1ea3. Song b\u1ecd ch\u00f3 khi nh\u1ea3y ch\u00ednh l\u00e0 g\u1ea5p tr\u0103m l\u1ea7n chi\u1ec1u d\u00e0i c\u01a1 th\u1ec3 n\u00f3, v\u1ec1 \u0111i\u1ec3m n\u00e0y th\u00ec b\u1ea5t k\u00ec \u0111\u1ed9ng v\u1eadt b\u1eadc cao nh\u1ea3y xu\u1ea5t s\u1eafc n\u00e0o c\u0169ng kh\u00f4ng th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
T\u1ea1i sao b\u1ecd ch\u00f3 c\u00f3 kh\u1ea3 n\u0103ng nh\u1ea3y \u0111\u00e1ng kinh ng\u1ea1c nh\u01b0 v\u1eady?<\/p>\n\n\n\n
C\u00e1c nh\u00e0 c\u00f4n tr\u00f9ng h\u1ecdc cho bi\u1ebft: ch\u00e2n sau c\u1ee7a b\u1ecd ch\u00f3 r\u1ea5t ph\u00e1t tri\u1ec3n, \u0111\u1ed9 d\u00e0i c\u1ee7a ch\u00e2n c\u00f2n d\u00e0i h\u01a1n so v\u1edbi c\u01a1 th\u1ec3, l\u1ea1i r\u1ea5t to. Tr\u01b0\u1edbc khi nh\u1ea3y, b\u1eafp ch\u00e2n ph\u00e1t tri\u1ec3n c\u01a1 th\u1ecbt k\u1ec1 s\u00e1t \u0111\u00f9i, sau \u0111\u00f3 d\u00f9ng l\u1ef1c m\u1ea1nh co c\u01a1 b\u1eafp ch\u00e2n l\u1ea1i, co c\u00e0ng ch\u1eb7t th\u00ec kh\u1ea3 n\u0103ng k\u00e9o d\u00e0i c\u00e0ng m\u1ea1nh, nh\u1ea3y c\u00e0ng cao. C\u0169ng gi\u1ed1ng nh\u01b0 nguy\u00ean l\u00ed vung n\u1eafm \u0111\u1ea5m v\u1eady, tr\u01b0\u1edbc ti\u00ean ph\u1ea3i co c\u00e1nh tay l\u1ea1i, sau \u0111\u00f3 \u0111\u00e1nh ra s\u1ebd c\u00e0ng c\u00f3 s\u1ee9c h\u01a1n. B\u1ecd ch\u00f3 nh\u1ea3y so v\u1edbi c\u00f4n tr\u00f9ng bi\u1ebft nh\u1ea3y kh\u00e1c c\u00f2n c\u00f3 m\u1ed9t \u0111i\u1ec3m kh\u00f4ng gi\u1ed1ng nhau l\u00e0 ch\u00e2n gi\u1eefa v\u00e0 ch\u00e2n tr\u01b0\u1edbc c\u1ee7a b\u1ecd ch\u00f3 c\u0169ng c\u00f3 th\u1ec3 ng\u1ed3i x\u1ed5m \u0111\u1ec3 c\u00e2n b\u1eb1ng \u0111\u1ed9ng t\u00e1c nh\u1ea3y c\u1ee7a c\u1ea3 c\u01a1 th\u1ec3, nh\u01b0 v\u1eady ch\u00fang c\u00e0ng t\u0103ng \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng nh\u1ea3y h\u01a1n.<\/p>\n\n\n\n
C\u00e1c nh\u00e0 c\u00f4n tr\u00f9ng h\u1ecdc \u0111\u00e3 t\u1eebng quan s\u00e1t k\u0129 vi\u1ec7c nh\u1ea3y c\u1ee7a b\u1ecd ch\u00f3 th\u1ea5y r\u1eb1ng: khi b\u1ecd ch\u00f3 nh\u1ea3y s\u1ebd ti\u1ebfn h\u00e0nh l\u1eadt m\u00ecnh tr\u00ean kh\u00f4ng trung (\u0111\u00f3 l\u00e0 v\u00ec tr\u1ecdng t\u00e2m c\u01a1 th\u1ec3 \u0111\u1eb7t \u1edf ph\u1ea7n sau). N\u1ebfu nh\u01b0 khi g\u1eb7p ph\u1ea3i ch\u01b0\u1edbng ng\u1ea1i v\u1eadt th\u00ec c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i ph\u01b0\u01a1ng h\u01b0\u1edbng. Ngo\u00e0i ra khi ph\u00e1t hi\u1ec7n ra v\u1eadt th\u1ec3 kh\u00f4ng th\u00edch h\u1ee3p \u0111\u1ec3 n\u00f3 d\u1eebng l\u1ea1i, th\u00ec n\u00f3 l\u1ea1i c\u00f3 th\u1ec3 l\u1eadp t\u1ee9c nh\u1ea3y v\u1ec1.<\/p>\n","protected":false},"excerpt":{"rendered":"
B\u1ecd ch\u00f3 l\u00e0 “qu\u1ef7 h\u00fat m\u00e1u” n\u1ed5i ti\u1ebfng, c\u01a1 th\u1ec3 n\u00f3 r\u1ea5t d\u1eb9t, th\u00e2n d\u00e0i c\u0169ng ch\u1ec9 c\u00f3 1 ~ 5 mm, \u0111\u1ea7u nh\u1ecf nh\u01b0ng kh\u00f4ng c\u00f3 c\u00e1nh. V\u1eady m\u00e0 \u0111\u1ed1i ph\u00f3 lo\u00e0i b\u1ecd ch\u00f3 b\u00e9 t\u00ed n\u00e0y l\u1ea1i kh\u00f4ng d\u1ec5 d\u00e0ng g\u00ec, mu\u1ed1n b\u1eaft s\u1ed1ng ch\u00fang l\u1ea1i c\u00e0ng kh\u00f3 h\u01a1n, b\u1edfi v\u00ec ch\u00fang l\u00e0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,10],"tags":[],"class_list":["post-8327","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-sinh-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8327","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=8327"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8327\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}