The policy will indemnify the insured against loss or damage to plants of various description, and other equipment (including but not limited to; transformer, passenger lifts, service lifts, water boilers, chillers, Generators, laundry equipment, kitchen equipment, electric panels etc.) resulting from fire, explosion, impact and other forms of damage including machinery breakdown which covers sudden and unforeseen physical loss or damage principally from sources within the machinery either while working or at rest.