Conduct preventive routine maintenance of pipettes: Correcting complications when they come about is just not enough. Make preventive maintenance and calibration section of one's regimen. Correct preventive upkeep normally contains replacing parts of the pipette that will dress in down, including seals and o-rings, in addition to re-greasing mechanical factors. https://gregoryakrzg.liberty-blog.com/29481386/getting-my-types-of-pipettes-in-chemistry-to-work