| http://www.w3.org/ns/prov#value | - Check for hazardous conditions, test for methane and oxygen deficiency and determine if the air is moving in the proper direction under 30 C.F.R. ???? 75.360(b)(5), 75.364(b)(4), and 75.364(c)(3); 3) Verify the required operators' examinations by checking initials, dates, and times; 4) Inspect seals for deterioration and for damage such as cracking, spalling, or bulging.
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