fluxes

To treat a material with a flux to aid fusion (third person singular present tense).

"The engineer fluxes the components carefully."

Substances used to promote fusion in soldering or welding.

"Various fluxes are needed for different metals."

Continuous series of changes or movements, often unpredictable.

"Economic fluxes affect global markets."

To flow out or discharge continuously (third person singular present tense).

"The molten metal fluxes from the furnace."