Rau Mr. Yamamoto, uas yog ib tug Japanese kos npe rau, qhia ib tug YAG laser vuam tshuab thiab ib tug S&A Teyu tub yees cua txias dej chiller CW-6000. Puas tau txij li thaum nws tau teeb tsa ob qho no, nws txoj kev lag luam kos npe tau nce 20% piv rau xyoo tas los.