Literal question
<svar a="all" v="PR80A124"><span class="em">H19. What type of energy does your water heater (tank type) use most?</span><br />If there is a shower heat only, mark "No tank type water heater".<br /><div class="i1">[] Electricity<br />[] Solar energy<br />[] Other fuels<br />[] No tank type water heater</div><br /></svar>