Coverage that provides compensation for damages and / or damage to various types of machinery, boilers and other mechanical equipment that experienced by the Insured in unexpected ways and the damage / loss of physical causes such as defective materials, construction is wrong, the mistakes in the work space in installation, lack of job skills, lack of skills / expertise, careless, lack of water in boilers, physical explosion, damage to equipment due to centrifugal force, short circuit, storm, or from various other causes, which he said does not exclude such a way that requires repair or replacement .