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. 
With less steel we were getting more sunlight in, which meant we didn't have to put as much extra heat in winter. 