And a six-inch touchscreen (likely capacitive) is an expensive component.
Ground heat exchangers installed in boreholes are an expensive component of a ground-coupled heat pump system, where minimizing the borehole length with appropriate materials and configuration can reduce the overall cost of the system.
While this is not an expensive component, it requires time to replace because much of the controller must be taken apart to access it.
In order to satisfy fatigue requirements in designing a cost effective wind turbine, the wind turbine blade, which is an expensive key component of the wind turbine system, must achieve very long operating life of 20 30 years.
Heat pads can be a more expensive component of the gecko habitat; one suited for a ten gallon cage can be as much as $25.
Nucleosome remodeling may be a particularly expensive component of gene expression, as the sensitivity of global transcription rates to ATP levels is alleviated when chromatin is experimentally de-condensed in cells [ 39].
But the return on Apple's investment in an expensive component is that everyone who touches an Apple trackpad falls in love with it immediately.
And its wireless chip, at $40, is "a pretty expensive component to put into something you're trying to sell for $200 to $300," says Forrester analyst Ted Schadler.
But there is a more expensive component.
Initial treatment costs were found to be the most expensive component of total costs, accounting for $632.85; these costs represented 65% of the total cost, compared to 63 73.3% in previous studies (6, 7, 23).
