Pikipiki ya umeme ilitumia vitu vingi muhimu, pamoja na moja ikiwa karibu kila nyumba. Taja kipengee hiki? 
Choose an answer to this question from the following options:

A: locomotive umeme
B: Taipureta ya umeme
C: rangi nyingi walrus
D: jokofu la umeme
E: kuchimba umeme
The right answer is D