Graduation Diploma is valid for only one (1) year in order to take the FDNY computer based. exam (Z-50). Candidates who fail the final examination on the second attempt shall be required to re-. attend the course in its entirety.
Quantum dots (QD) are very small semiconductor particles, only several nanometres in size, so small that their optical and electronic properties differ from those of larger particles. They are a central theme in nanotechnology.
DOT Drug Screen - DOT Drug Test. A DOT Drug Screen Test is a drug test required by the DOT and must follow strict guidelines. The United States Department of Transportation (USDOT or just DOT) is a federal Cabinet department of the United States government concerned with transportation.