457
Tilt switches
Employees of Russian mail to bellow loudly at the sight of such sensors :) They are glued to the goods which can not be tilted during transportation (eg, server cabinets).
That's the original and cheapest solution you can learn how to box or crate tumbled delivery. And in case ushlyh movers balls with magnets made of materials nemagnityaschihsya.
Source:
That's the original and cheapest solution you can learn how to box or crate tumbled delivery. And in case ushlyh movers balls with magnets made of materials nemagnityaschihsya.
Source: