Skateboard wheels vary in diameter, which is measured in millimeters, and their hardness, measured on a scale called durometer. Depending on what kind of skating you enjoy, you should consider these two variables as they will influence the way your skateboard rides.
Definition: A flat is an accidental that indicates a slight decrease in pitch. (n) A flat is a symbol (â­, also âbâ in type) placed in front of a note, decreasing its pitch by a half step; Db is a half step lower than D. (v) To âflattenâ a note means to lower its pitch by a half step (see double-flat).
Sinkhole: Collapsed limestone or other softrock that forms a hole on the earthâs surface. Swamp: an area of land that is always soaked with water; low, wet land that supports grass and trees. Terrace: a flat area of land like a step on landforms like a mountain, valley or beach. Tide: the regular rising and falling of the water of the oceans and waters connected to the ocean. Upstream: the direction toward a riverâs source; opposite to the riversâ flow. Valley: low land between hills or mountains.