I would like to seek your comments for the below paragraphs. Thank You

The below paragraphs are written by a referee who make comments about the knowledge of an applicant.

Mr. Apple has worked in an engineering field for 18 years since technical institute graduation in 1994. He was awarded a Bachelor of building service engineering and a Master of environmental management & engineering in 2004 and 2008 respectively. He also completed the professional courses in public health and plumbing engineering course and was awarded with ABC diploma in 2012

He has knowledge and experience including design, installation and maintenance of domestic hot and cold water system, chilled water system and cooling tower system, finding the root causes of plumbing problem and fixing it, preparing tender and cost estimation, negotiating contracts with clients, consultant and contractors, performing testing and commissioning of plumbing & chiller system, allocation of labour resources, monitoring the project progress, settling various claim from other parties, preparing defect list, co-ordination with developer, consultant and main contractor to ensure the defect rectification properly, monitoring the routine maintenance, supervising the technical staffs, solving technical problems of plumbing system, acquisition of ISO9001 certificate and Safety Management System.