1. The skunk releases a pungent smell as a means of protection.

2. Some drivers opt to buy the insurance as a means of protection against costly breakdowns unrelated to an accident.

3. The most popular theory suggests that plants do so to deter animals and pests, using Alkaloids as means of protection.

4. It is unique in the millipede world for its ability to roll up into a sphere as a means of protection.

5. 21 Bolt (n. ) metal secured into a drilled hole in the rock as means of protection. Often accompanied by a hanger, an eyelet to which a carabiner can attach.

6. Benzyl ethers offer a versatile means of protection for the hydroxyl group, being installed under basic (Benzyl bromide, sodium hydride, DMF; Benzyl bromide, sodium hydride, tetrabutylammonium iodide, THF 76,77), acidic (Benzyl trichloroacetimidate, triflic acid; 78,79 phenyldiazomethane, tetrafluoroboric acid 80) or neutral (Benzyl bromide