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.
Best Answer: Holo card is a card that is reflective,shiny, and shows rainbow color under light. For example, if you shine the card around the light, you should see it changing colors like rainbow and the colors seem brighter under direct light. Holo means they have the holofoil backround. if you go on pokemon.com you can if if they are holo or ultra rare.