Types of a twisted cables that each pair of wire is wrapped in metallic foil to better shield the wires from noise.

This is a type of twisted cables that  limits signal degradation caused by electromagnetic interface (EMI) and radio frequency interference (RFI).

Write TRUE if the statement is correct and FALSE if it is wrong.

When you are using a ladder that leans up against a wall, follow the instructions written on the ladder, and have someone hold the ladder to help keep it steady

You can stand on the top rung of the ladder. You can still find balance on top.

Its okay to not to read the instructions of the ladder and began to work right away.

Wear gloves whenever possible, and dispose any waste properly.

Ignore what you're doing, and rush through it. It's fine if you cut yourself or place others in danger.

Always wear safety glasses when cutting, stripping, or splicing cables of any kind. Tiny fragments can injure your eyes.

Fiber-optic cables are useful for communications, but they have certain hazards like dangerous chemicals.

The process of cutting and trimming the strands of fiber-optic cables is completely safe and does not produce any fragments that could penetrate your eyes or skin or cause irritation.

Obtain proper training before you attempt to cut, strip, or splice fiber-optic cable. An experienced technician should supervise you until you become adequately skilled

Fiber-optic cables use glass or plastic to transmit data.

The light signals from optic fiber can damage your eyes before you can feel it.