ALL Tax paid by individuals returned to individuals at retirement to help reduce govt funding of welfare and create more incentive to work and reduce unemployment, incentive : work hard get rewarded on retirement age.
The typical fridge /freezers are hard for the elderly and disabled to get to the bottom or top shelf. With using the fridge pneumatics we can have automatic adjustable shelves that can move to waist height by a push of a button.
A computer screen placed at the entrance to Supermarkets which customers can access to find out where to find the products they want. This will save time & energy, and avoid frustration, particularly for the elderly and time poor.