<\/span><\/h2>\nD\u1ea7u nh\u1edbt hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 d\u1ea7u nh\u1eddn th\u01b0\u01a1ng ph\u1ea9m, l\u00e0 m\u1ed9t lo\u1ea1i d\u1ea7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u00f4i tr\u01a1n c\u00e1c \u0111\u1ed9ng c\u01a1. D\u1ea7u nh\u1edbt \u0111\u1ed9ng c\u01a1 bao g\u1ed3m h\u1ed7n h\u1ee3p c\u1ee7a d\u1ea7u g\u1ed1c v\u00e0 ph\u1ee5 gia. Ph\u1ee5 gia \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 cung c\u1ea5p c\u00e1c t\u00ednh ch\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 m\u00e0 d\u1ea7u g\u1ed1c kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c.<\/span><\/p>\nCh\u1ea5t l\u01b0\u1ee3ng c\u1ee7a d\u1ea7u nh\u1edbt c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9ng c\u01a1 xe \u00f4 t\u00f4. D\u1ea7u nh\u1edbt c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ch\u1ed1ng hao m\u00f2n, l\u00e0m m\u00e1t \u0111\u1ed9ng c\u01a1, t\u0103ng tu\u1ed5i th\u1ecd, gi\u1ea3m ma s\u00e1t v\u00e0 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 c\u1ee7a xe. S\u1eed d\u1ee5ng m\u1ed9t lo\u1ea1i d\u1ea7u nh\u1edbt ch<\/span>\u1ea5t l\u01b0\u1ee3ng s\u1ebd gi\u00fap xe ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0, \u1ed5n \u0111\u1ecbnh v\u00e0 tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu s\u1eed d\u1ee5ng d\u1ea7u nh\u1edbt kh\u00f4ng ph\u00f9 h\u1ee3p, c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd c\u1ee7a xe.<\/span><\/p>\n