InnoCigs IRONFIST Manuel D'utilisateur page 48

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Ironfist – Notes & Precautions
General information regarding puffing techniques while vaping
When vaping, a distinction is made between two puffing techniques:
Moderate vaping (mouth-to-lung)
The vapor from an e-cigarette is first collected in the oral cavity for the entire duration of
the puff and then inhaled into the lungs. This puffing technique is referred to as moderate,
mouth-to-lung vaping and is just like smoking a tobacco cigarette. To achieve this, there
must be a noticeable resistance when puffing on the e-cigarette. Evaporator heads that
support this puffing technique in the moderate range (resistance usually > 1 ohm) are often
referred to as MTL (mouth to lung) heads. (Other abbreviations include ML and M2L.)
Sub-ohm vaping (direct lung inhalation)
While puffing, the vapor of an e-cigarette is directly inhaled into the lungs. This puffing
technique is referred to as sub-ohm vaping with direct lung inhalation. To achieve this, there
must be low puffing resistance and a strong air supply to the evaporator head. Both have
a positive effect on producing large quantities of vapor. Evaporator heads that support this
puffing technique in the sub-ohm range (resistance usually < 1 ohm) are often referred to as
DL (direct lung) heads. (Other abbreviations include DTL and D2L)