Clockwise from major still left: several measurements of micropipettes; a graduated serological pipette attached to an Digital manual pipetter; two Pasteur pipettes.
Attach the pipette tip: find the pipette idea based https://darrenckwi364186.loginblogin.com/36574703/how-much-you-need-to-expect-you-ll-pay-for-a-good-types-of-pipette