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EPA 608 Universal Certification: A Comprehensive Guide for HVAC Technicians
uszackacademy
- 1 hour 34 minutes ago
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The EPA 608 Certification is a mandatory requirement for any technician who works with refrigerants in air conditioning and refrigeration systems.
https://wakelet.com/wake/zzbwgFv8nZHxVvPc1XtSj
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