used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24 used scotchman dual operation ironworker DO-100-24