Ozi Ngwaahịa
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Nkọwa nke Drating IP nke mmiri na-acha uhie uhie
Industrial cooling fans are widely used, and the application environment is also different. In harsh environments, such as outdoor, humid, dusty and other places, general cooling fans have a waterproof rating, which is IPxx. Ihe a na-akpọ IP bụ ihe nchebe. Ihe ndebiri maka IP Ring m ...GỤKWUO
