You will need to explain the measures you have put in place in relation to sustainable development and how these terms are used in practice as processes within your company's business undertakings. You should also explain the term: Supply chain (management and sourcing of materials to make improvements towards sustainable development.), Lifecycle (considerations at design, construction and in use), 'Cradle-to-grave' and 'Cradle-to-cradle' and how these theories develop your company ethos. Also comment on how circular economies can benefit construction and how you have been able to incorporate these into your business practice