Window Framing Components. 1  Double Top Plate â Double top plates are almost always used in todayâs modern framing. 2  Cripple â Window and door cripples are studs that fill the space above a header and below a sill. 3  Header â Headers are a load bearing beam that transfers the load above the opening down to the jacks.
You have to know this. Itâs recommendable to apply any vaccine and immunization a month before the travel. If you arenât from South America, is very important to be vaccinated against yellow fever before entering to Ecuador. Itâs absolutely important if you wanna go to the Amazon.
Oct. 13, 2005 -- The hepatitis B vaccine lasts for more than 10 years, so a booster vaccine may not be necessary, Italian researchers report. Booster doses of vaccine do not seem necessary to ensure long-term protection, write Alessandro Zanetti, PhD, and colleagues in The Lancet. The CDC recommends the hepatitis B vaccine for these groups: All babies ; All children aged 0-18 who haven't already been vaccinated ; People whose behavior or job puts them at high risk for hepatitis B infection