Answer:

a. desoldering pump is a handy tool that svcks molten solder. it used to desolder through-hole components on a circuit board or to rework bad solder joints.

b. allows someone to connect two or more pieces of metal together.

c. cutting and holding pliers used by artisans, jewellery designers, electricians, network engineers and other tradesmen to bend, re-position and snip wire.

d. a tool primarily used for making round holes or driving fasteners.