x1 uses/employs x2 [tool, apparatus, machine, agent, acting entity, material] for purpose x3.
Also utilize; x2 is useful/used productively by x1 to do x3 (use selpli for reordered places); hire/employ (use le'ipli, lejyplicu'a). (cf. tutci, cabra, minji, gasnu, zukte for x2, cmavo list pi'o, sazri, jibri)