The main thing would be to not smoke. But also if you are around someone who smokes, try to limit interaction with them while they are smoking. second hand smoke can be just as deadly. Also doing things like using smoke free facilities, like smoke free hotel rooms and restaurants.
285g, hopefully it helps.
The lever is a movable bar that pivots on a fulcrum attached to a fixed point. ... It shows that if the distance a from the fulcrum to where the input force is applied (point A) is greater than the distance b from fulcrum to where the output force is applied (point B), then the lever amplifies the input force.
pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt, or transfer of power between the shaft and cable or belt.
Pros :
- supports bone health
- reduces your risk of acne
- promotes healthy growth and reproduction
- may lower your risk of certain cancers
- supports a healthy immune system
- supports your eyes from night blindness and age-related decline
cons :
- bone thinning
- liver damage
- headache
- diarrhea
- nausea
- skin irritation
- pain in the joints and bone
- birth defects
