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Diseases such as malaria, dysentery andyellowfevercaused many deaths among ships crews. Some ofthese,especiallyyellow fever, were spread to other portsthesailorsvisited.
Also know, what did sailors do?
Sailors work on freighters, tankers,andpassengerships and are responsible for repairing, stowing,andpreparing mostdeck equipment, such as cargo-handlinggear.Experiencedsailors are usually called able seamenonoceangoing vesselsor deck-hands on boats that navigateinlandwaters.
Similarly, what are the dangers in the ocean?
Other ocean quality hazardsincludesunkenboats and chemicals, animals, pets, fertilizers,septic,andoils/hazardous substance spills. High levels of bacteriaandotherchemicals in the water can cause gastrointestinalillnessesinthose that swim directly in the water.
A ship or vessel's voyage can be from oneplacetoanother, including the return trip depending onthecircumstances.In their case, speaking generally, eachpassageacross thesea is a voyage, and the same istrue ofshipscarrying passengers and cargoes across the sea,andloadingand discharging on both sides."