Ana amfani da Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙasa tare da sandunan ƙasa, yana ba da haɗin injiniya tsakanin mai sarrafa ƙasa da sandar ƙasa.
Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙasa, 3/4 ″, 10 zuwa 1 AWG, Ƙimar Jana'izar Kai tsaye
Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Copper Alloy, Hex Head Bolt, Dace da Jana'izar Kai tsaye
Ingancin Farko, Garantin Tsaro