I-racking entsha yamandla, esetyenziselwa ukugcinwa kwe-static kweeseli zebhetri kumgca wokuvelisa iiseli zebhetri kwiifektri zebhetri, kwaye ixesha lokugcina alikho ngaphezu kweeyure ezingama-24.
Imoto: umgqomo.Ubunzima ngokubanzi bungaphantsi kwama-200kg.