With less steel we were getting more sunlight in, which meant we didn't have to put as much extra heat in winter.
و با فولاد کمتر ما نور خورشید بیشتری در داخل داشتیم، که بدین معنا بود که ما مجبور نیودیم که گرمای زیادی در زمستان استفاده کنیم.