The life cycle of a deployed tsunami buoy is approximately 2 to 4 years. The Bureau's maintenance regime involves the replacement of the surface buoy and the sea-floor pressure sensor every one to two years. The devices retrieved during regular maintenance are refurbished and made ready for the next redeployment.
NCRC is awarded at four levels: Platinum, Gold, Silver, and Bronze. Each is an objective validation to employers anywhere in the U.S. that an individual has met or exceeded the necessary foundational skills for a percentage of the 16,000 occupations in the WorkKeys database.For example, a Gold certificate verifies that an individual has the necessary skills for 93% of occupations.very senior enrolled in a TCD program will prepare for and take the NCRC. Preparation takes place through an online tutorial called KeyTrain. Throughout most of the year, students are expected to complete 30 minutes of KeyTrain tutorials per week, logging into the system while at TCD or at home.
Pure gold is so soft it is rarely used in jewelry. Jewelers deal with various gold alloys, collectively called karat gold. Karat (K) tells the number of parts, by weight, of gold in 24 parts of alloy. The higher the percentage of pure gold, the higher the karat. Pure gold is 24K; 18K is 18 parts fine gold and 6 parts metal; 14K is 14 parts fine gold and 10 parts metal; and 10K is 10 parts fine gold and 14 parts other metal. A diamond certificate is a report that attests to the authenticity of a diamond.