hat
Remak: 1. Pou pwoteksyon an nan gaz la CO2, pite ta dwe nan 99,8% ki anwo a, koule 20 a 25 l / minit.
eng
Remark: 1. For the protection of the CO2 gas, purity should be in the 99.8% above, flow 20 to 25 l/minutes.