Aluminum structure, self supporting glass, limitless number of rails, ah!60 thermal insulation up to 0.708W/m².K, sound insulation: 44 dB, security RC4, ah!38 thermal insulation up to 0.816W/m² ...
It needs the first clause to be completely clear, so we link the two clauses together with a semi-colon (;). Narrator: Semi-colons are used to show breaks in a sentence where a comma fails to give ...