spali gismu

x1 (agent) polishes object/surface x2 with polish x3, applied using tool x4.

See also mosra, sraku, xutla.

In notes:

mosra
x1 is friction [force opposing motion] due to contact/rubbing between x2 and x3; (fe) x2 rubs x3.
sraku
x1 [abrasive/cutting/scratching object/implement] scratches/[carves]/erodes/cuts [into] x2.
xutla
x1 is smooth/even/[soft/silky] in texture/regularity.