42 Custom and bespoke design of inflating machines, valves, flexible piping, tubing and hosing and parts, fittings and fixtures therefor; professional technological consultations and advice relating to the design of inflating machines, valves, flexible piping, tubing and hosing and parts, fittings and fixtures therefor; technological advisory and support services being technical troubleshooting in the nature of diagnosing problems with inflating machines, valves, flexible piping, tubing and hosing and parts, fittings and fixtures therefor; research, development and testing of inflating machines, valves, flexible piping, tubing and hosing and parts, fittings and fixtures therefor, including temperature-cycling and fatigue testing, low pressure and proof hydraulic testing, load and tensile testing of the aforesaid goods