Performance Gap. Background. In recent years, the housebuilding industry and government have grown increasingly concerned over the potential gap between design and as-built energy performance.
The apostrophe (â or ') is a punctuation mark, and sometimes a diacritical mark, in languages that use the Latin alphabet or certain other alphabets.In English, it serves three purposes: 1  The marking of the omission of one or more letters (as in the contraction of do not to don't).he apostrophe (â or ') is a punctuation mark, and sometimes a diacritical mark, in languages that use the Latin alphabet or certain other alphabets. In English, it serves three purposes: 1  The marking of the omission of one or more letters (as in the contraction of do not to don't).
The apostrophe character is a punctuation mark, and sometimes a diacritical mark, in languages that use the Latin alphabet and some other alphabets. In English it is used for several purposes: The marking of the omission of one or more letters. The marking of possessive case. The marking of plurals of individual characters. The word apostrophe comes ultimately from Greek á¼¡ á¼ÏÏÏÏÏÎ¿ÏÎ¿Ï, through Latin and French. The apostrophe looks the same as a closing single quotation mark in ...