A vaccine called Tdap is similar to DTaP. A single dose of Tdap is recommended for people 11 through 64 years of age. Another vaccine, called Td, protects against tetanus and diphtheria, but not pertussis. It is recommended every 10 years.
What is a THM file? THM files are small images that are usually used on the Internet for clip art and in online image galleries or image galleries that are contained on a user's hard drive or camera. These images are commonly referred to as thumbnails. They are also created by a variety of photo and video editing applications.
WAVE PCM soundfile format. The WAVE file format is a subset of Microsoft's RIFF specification for the storage of multimedia files. A RIFF file starts out with a file header followed by a sequence of data chunks. A WAVE file is often just a RIFF file with a single WAVE chunk which consists of two sub-chunks -- a fmt  chunk specifying the data format and a data chunk containing the actual sample data. Call this form the Canonical form. Who knows how it really all works.