C508 How f * cking unenlightened!

Damn it!

Jiang Can Lai raised his head and looked at Kang Ming. His eyes were clear: Speak!

"The poor quality decorating materials don't have any flame retardant properties at all. The welder's grass improperly ignited these flameproof soundproofing boards, causing this huge fire ?" Kang Ming said concisely.

Jiang could lift his hand and touch his chin. Actually