Orifice of your tip: It is the pointed conclusion of your pipette and is available in direct contact with the liquid. Calibration information: It can be a place from the pipette higher than the graduation mark. Carry out a visual inspection of pipettes: Often take a look at your pipettes https://different-types-of-pipett01122.blogsvirals.com/28892516/the-5-second-trick-for-types-of-pipettes-purpose