| 摘要 |
A manually operable rigid device (10) defines a generally V-shaped groove (26) opening onto an outer face thereof for closing a storage container in a multi-step process by bending a flexible, upstanding peripheral rim thereof over a margin of a central cover. A manually operable rigid device defines a wedge (28) having a tip for opening a storage container in a multi-step process by unbending the previously bent rim thereof.
|
