Abstract: A container is partially filled with a raw cake batter. A lower portion of the container is covered by said batter and an upper portion of the container defines a void into which the cake batter can expand during baking The partially-filled container is frozen at the charging location. The container is then shipped under chilled conditions and presented for retail at said retail location in a chilled, substantially unfrozen state. The container is then purchased and placed directly into an oven without further preparation, in order to produce a freshly baked cake in said container.

Abstract: Disclosed are arrangements encode protection marks (302) into an unprotected document, where the protection marks are modulated according to a attributes of corresponding areas (902) of the unprotected document associated with the protection marks (302). Unauthorized amendment of the protected document can be detected by demodulating (1107) the modulated protection marks in the protected document, to derive the attribute of the unprotected document. This is compared to the corresponding attribute of the protected document, and this comparison indicates if unauthorized amendment has taken place.

Abstract: Disclosed are arrangements encode protection marks (302) into an unprotected document, where the protection marks are modulated according to a attributes of corresponding areas (902) of the unprotected document associated with the protection marks (302). Unauthorised amendment of the protected document can be detected by demodulating (1107) the modulated protection marks in the protected document, to derive the attribute of the unprotected document. This is compared to the corresponding attribute of the protected document, and this comparison indicates if unauthorised amendment has taken place.

Abstract: A surgical drill which includes a drill tip (3) rigidly secured to a shaft (2) for attachment of the drill to a rotary driving means, the end of the drill tip remote from the shaft being formed with cutting edges (4,5) tapering to a point (6), and the drill tip (3) having a cross-sectional shape such that the non-tapered portion of the drill tip (3) is substantially wider in a first direction (w) than in a second direction (x); the shaft (2) having a width at its widest point adjacent the drill tip (3) which is substantially smaller than the maximum cross-sectional width of the drill tip (3); the drill tip (3) being formed with at least one notch (8) for picking up a suture.

Abstract: An implant useful as a prosthetic replacement of an intervertebral disk which consists of a housing providing at least a part simulation of a disk yet containing a force transferring media. The housing is in the form of a bellows or equivalent structure preferably restricted as to maximum separation between those surfaces of the housing to be in contact with the proximate vertebral bodies thereby to limit angular distortion under the effect of the proximate vertebral bodies.