MB3 8b: Are You Allowed to Benefit if a Gentile Uses Your Oven on Shabbos (245:6); Renting or Lending Vessels to Gentile for Shabbos Use (246:1)

Are you allowed to benefit if a Gentile uses your oven on Shabbos? Renting or lending vessels to a non-Jew for use on Shabbos - is there a problem of shevitat keylim on Shabbos?