Mechanical cleaning apparatus and cleaning installations, namely, non-abrasive air blast cleaning machines used to clean vehicles; replacement parts for use with non-abrasive air blast cleaning machines, namely, air nozzles and compressed air guns; machine parts, namely, hoses and hose nozzles which are parts of non-abrasive air blast cleaning machines; machine parts, namely, extended crevice tools which are parts of non-abrasive air blast cleaning machines; crankcases for use with non-abrasi...