compass: an instrument containing a magnetized pointer which shows the direction of magnetic north and bearings from it.

Whistle: a clear, high-pitched sound made by forcing breath through a small hole between partly closed lips, or between one's teeth.

magnifying glass: a lens that produces an enlarged image, typically set in a frame with a handle and used to examine small or finely detailed things such as fingerprints, stamps, and fine print.

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

lighter: a device that produces a small flame, typically used to light cigarettes.

Machete: a broad, heavy knife used as an implement or weapon, originating in Central America and the Caribbean.

Mirror: a reflective surface, now typically of glass coated with a metal amalgam, that reflects a clear image.

Needle: a very fine slender piece of metal with a point at one end and a hole or eye for thread at the other, used in sewing.

battery: a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power.

First-aid-kit: a set of materials and tools used for giving emergency treatment to a sick or injured person.

Flashlight: a battery-operated portable light.

Candle: a cylinder or block of wax or tallow with a central wick that is lit to produce light as it burns.

Folding knife: A knife with a blade that folds into the handle