Question

soldering iron
a. trims excess wire and solder.
flux
b. cleans and improves solder adhesion.
desoldering pump
c. heats metal surfaces to melt solder.
wire cutters
d. removes unwanted solder.

Explanation:

Answer:

soldering iron: c. Heats metal surfaces to melt solder.
flux: b. Cleans and improves solder adhesion.
desoldering pump: d. Removes unwanted solder.
wire cutters: a. Trims excess wire and solder.