All Contract Works, whether permanent or temporary, materials and machinery provided by the principal, equipment incorporated or destined for incorporation therein, Temporary Buildings camps and/ or stores their contents, and all other property or equipment of whatsoever nature(other than Constructional Plan & Equipment) the property of the Insured or for which they are responsible, whist at the Contract Site(s), or elsewhere in the territorial limits, including whilst in transit or storage and/or as may be more fully described in the Policy