window.fbAsyncInit = function() { FB.init({appId: “”, status: true, cookie: true, xfbml: true}); }; (function() { var e = document.createElement(“script”); e.async = true; e.src = document.location.protocol + “//connect.facebook.net/en_US/all.js”; document.getElementById(“fb-root”).appendChild(e); }()); Question by getkishi: Which solar water heater is better among Flat plate collector and Evacuated Tube collector? Best answer: Answer by enordEvacuated tubes collectors work better … Continue reading