Mortar can be tinted to blend or to contrast with the brick color. It is important to keep mortar mixing and tooling practices uniform, especially when using colored mortar. A slight variation in mortar color can have a dramatic effect on the appearance of a finished wall.
O-Card The O-Card is a Slip Case with an opening at both ends. Both the O-Card and Slipcase can be used to package multiple disc sets or single cases and packs and make you product feel a little more exclusive.
In general, an adapter card, or in other terms, a controller card, is a card that is connected to the computer, either by way of PCI/PCI-E (wifi card, expanded usb cards) or depending on what you are looking at, it could connect via USB, and all it really is is printed circuitry that allows computers the use of new hardware.