Tweezers/clamps are common laboratory tools, mainly used for delicate operations and sample handling. Laboratory tweezers can be categorized by material (stainless steel, titanium alloy, etc.) and by purpose (dissecting forceps, watch tweezers, etc.), with various tip designs including straight, curved, and serrated. Clamping tools include hemostatic clamps and test tube clamps, commonly used for securing containers or sealing operations.