TICCI ASTM F2088-21 Akwụkwọ ntuziaka onye ọrụ na-eji ọkụ eletrik emetụ aka zuru oke
ASTM F2088-21 ihuenyo mmetụ zuru oke ọkụ eletrik
Akwụkwọ ntuziaka onye ọrụ, ntuziaka nhazi, enyemaka maka nsogbu nsogbu, na ozi ndozi maka ngwaahịa Swing.
Edemede kachasị ọhụrụ, akwụkwọ ntuziaka ndị a ma ama, na akwụkwọ ntuziaka ndị metụtara ndị na-ere ahịa maka akara a tag.