feed chemicals into the device

In general se foloseste feed, cand este vorba de alimentarea unei masini, instalatii. Din experienta mea in productia de ciment si agregate, dar si exemple pe Google:

What we've described is a learning machine. It is time
for you, as a parent, to feed materials into this machine. You ...

Load the material into the machine. Feed the materials into the FDM head.
Place the desiccant bags in the dry box with the material spools

Machine feeders and offbearers feed materials into or remove materials
from automatic equipment or machines tended by other workers. ...

Etc...
bafta!