1. storage tanks, gas
In the CEMs must be stored gas mixture composed of carbon (CO) and sulphur dioxide (SO2) does not exceed 5 percent of the remaining gas is so mixed kat will be used to measure pollution from chimney equipment calibration. Users must contact the Government (military control of lethal and industrial development), which is lethal to obtain permission by tr.ROR THB 2530 (1987) lethal control, therefore, it must be carried out by a person in the area that Siemens will help Thai nation contact with Government
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