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).
POSSESSIVE APOSTROPHES. by Shawna Roche. Definition: An apostrophe indicates ownership of an object, idea or quality. Problem: Many writers are unsure of where to put the apostrophe. Three Steps for Using Apostrophes: 1. Be aware of possession.Find the owner or owners.y Shawna Roche. Definition: An apostrophe indicates ownership of an object, idea or quality. Problem: Many writers are unsure of where to put the apostrophe. Three Steps for Using Apostrophes: 1. Be aware of possession. Find the owner or owners.