Trimaran sailplan. They contribute to drag when heavily immersed, and their level of immersion indicates when to reef. Two types of trimaran exist: the regular trimaran and the open trimaran, which features a trampoline between the hulls instead of plating. Trimarans have a number of advantages over comparable monohulls (conventional, single-hulled sailboats). Given two boats of the same length, the trimaran has a shallower draft, a wider beam, less wetted area, and is able to fly more sail area. In addition, because of the righting moment provided by the wide beam, trimarans do not need the weighted keel that is required
Junk fax Junk fax Junk faxes are a form of telemarketing where unsolicited advertisements are sent via fax transmission. Junk faxes are the faxed equivalent of spam or junk mail. Proponents of this advertising medium often use the terms "broadcast fax" or "fax advertising" to avoid the negative connotation of the term "junk fax". Junk faxes are generally considered to be a nuisance since they waste toner, ink and paper in fax machines. Junk faxing came into widespread use in the late 1980s as a result of the development and proliferation of relatively inexpensive desktop fax machines which resulted in rapid growth