lighter: a small device for providing a flame for a cigarette, etc.

water purification tablets: kill pathogens in water to make it safe for human consumption.

sleeping bag: a large, thick bag for sleeping in, especially when you are sleeping outside, for example in a tent

fishing line and hook: strong plastic string used with a fishing rod to catch fish. a curved device used for catching or holding things, especially one attached to a surface for hanging things on

mirror: a piece of glass with a shiny, metal-covered back that reflects light, producing an image of whatever is in front of it

matches: a short, thin stick made of wood or cardboard and covered with a special chemical at one end that burns when rubbed firmly against a rough surface

folding knife: a small knife with a folding blade or blades, suitable for carrying in a pocket.

first aid kit: a box or bag containing basic medical equipment such as bandages and antiseptic cream

battery: a device that produces electricity to provide power for radios, cars, etc.

raft: a flat floating structure for travelling across water, often made of pieces of wood tied roughly together and moved along with a paddle

machete: a large knife with a wide blade, used for cutting trees and plants or as a weapon

compass: a device for finding direction with a needle that can move easily and that always points to magnetic north