A SECRET WEAPON FOR PIPETTE TYPE OF PLASTIC

This type will involve a piston which makes immediate Call with the liquid, eliminating the air cushion and permitting with the transfer of viscous or risky substances.​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​â€