请在这里输入要翻译的内容The CONTRACTOR shall conduct the Maintenance and Guarantee Works within One (1) calendar year since the date of Issuance of Taking-over Certificate except the parts of the Works whose guarantee period has been specified in related specifications. The CONTRACTOR should also guarantee the Work against defective materials and poor workmanship, and the CONTRACTOR shall repair or make good, at his own expense, any defects noted during the guarantee period in case of liquid damage happening. For the main mechanical and electrical equipment, the CONTRACTOR should keep the guarantee duration same as the warranty by Vendor or Sub- contractor and not less than Two (2) years at least.