Probirkadagi bug'ning hidini bilishni eng to'g'ri yo'li qaysi?

  1. Probirkani burunga yaqin ushlab, hidlash
  2. Pipetka yordamida bug'ning bir qismini olib, shuni hidlash
  3. Probirkani burunning tepasida ushlab, bug'ni burunga oqizish
  4. Probirkani burunga yaqin ushlab, qo'l bilan bug'ni burunga haydash

📝 Detailed explanation

Xavfsizlik texnikasiga ko'ra, noma'lum moddaning hidini bilish uchun probirkani burundan ma'lum masofada ushlab, qo'l bilan bug'ni burunga haydash kerak.
Bu usul to'g'ridan-to'g'ri hidlashdan ko'ra xavfsizroq, chunki konsentrlangan bug'larni nafas olish zaharlanishga olib kelishi mumkin.
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