לא חוקי ממול מורה thermo dynamics boiler s series אמפליטודה מאה שנים כניעה
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Chapter 4b: First Law - Control Volumes (Updated 4/9/10)
Hey guys I just got a quote for about $3400 in boiler repairs, does this seem reasonable for what's listed on the invoice and the boiler in the picture? Thank you in