The Mar khlong on metal. require a high power laser or laser in high level. But because we have a laser as being low, it cannot be so Marquez khlong on metal. require technical marks on the metal.
The mark on the metal requires high power lasers or laser level. But because we have a low power laser can not mark down on the metal. We need to have a technical mark on the metal.
The mark on the metal used in high power laser or laser high. But since we have the laser is low will not be able to mark on the metal. We need to have come down on the metal arc technique