A few boats specialized in pushing huge log rafts downstream to lumber mills. All badly injured men were lowered into rafts or rubber boats. Emergency evacuation systems include inflatable life rafts and manually extendable canvas evacuation slides. Attendees gather on rafts and inflatable tubes. People would often come over in rafts or weak and small boats. Officials resorted to using inflatable rafts to access affected areas. They were soon joined by tanks ferried on motorized rafts and additional infantry. They are also capable of constructing floating rafts out of vegetation. He popularised trips down rivers on bamboo rafts. Some need to stay below the life rafts of Cruise ships and Ropax vessels. All of the vessels except two of the rafts were scuttled by pirates. Settlement flourished along Musi River bank, some of houses built on rafts. Hatches are sealable to prevent rain and seawater from entering the life rafts. Sphingolipids and cholesterol are important building blocks of the lipid rafts. Depletion of cholesterol in lipid rafts inhibits EV1 infection.