An automatically opening and closing inflatable holiday ornament includes a box that has a base, a plurality of side panels hingedly connected to the base, and a top portion connected to each of the plurality of side panels. The ornament further includes a motor, a plurality of pull cables, such that each of the plurality of pull cables has a first end operatively connected to the motor and a second end connected to one of the plurality of side panels. The ornament also includes a first blower, an inflatable disposed in the box and surrounding the first blower such that operation of the first blower blows air into the inflatable to inflate the inflatable, and a controller operatively connected to the motor and to the first blower such that the controller controls operation of the motor and the blower.

An automatically opening and closing inflatable holiday ornament includes a box that has a base, a plurality of side panels hingedly connected to the base, and a top portion connected to each of the plurality of side panels. The ornament further includes a motor, a plurality of pull cables, such that each of the plurality of pull cables has a first end operatively connected to the motor and a second end connected to one of the plurality of side panels. The ornament also includes a first blower, an inflatable disposed in the box and surrounding the first blower such that operation of the first blower blows air into the inflatable to inflate the inflatable, and a controller operatively connected to the motor and to the first blower such that the controller controls operation of the motor and the blower.

An automatically opening and closing inflatable holiday ornament includes a box that has a base, a plurality of side panels hingedly connected to the base, and a top portion connected to each of the plurality of side panels. The ornament further includes a motor, a plurality of pull cables, such that each of the plurality of pull cables has a first end operatively connected to the motor and a second end connected to one of the plurality of side panels. The ornament also includes a first blower, an inflatable disposed in the box and surrounding the first blower such that operation of the first blower blows air into the inflatable to inflate the inflatable, and a controller operatively connected to the motor and to the first blower such that the controller controls operation of the motor and the blower.

A method for detecting a worn link in a chain of a host arrangement includes measuring a first signal while the hoist operates. A hoist arrangement and use of a signal for detecting a worn link in a chain are also disclosed.