extreme caution rule
1) know the speed limit 2) Assess the conditions
Envelope in this case is an aeronautic (aircraft and piloting) term for the limits in which it's safe to operate the aircraft. "Pushing the envelope" means doing something just a little bit harder/faster etc than what's considered safe and sensible.
The Plimsoll line... it's a series of marks on the outer hull of a ship - that indicates how deep the vessel is sitting in the water.
A class 1 laser - is '...safe under all conditions of normal use...' This means it's okay to view the beam with the naked eye (although not recommended !). Class 1 lasers are found in such devices as CD players & DVD players.
How is a nuclear power plant safe?
Do not go faster than it is safe for conditions.
yes
Using sulfur soap is indeed safe, and it is commonly used for people with skin conditions known as "scabies." You can buy some sulfur soap online at Dermisil.com.
Yes, it is safe in controlled conditions.
All working conditions are potentially hazardous unless workers make them safe.
you can't sry
No traffic, the posted speed limit. Non-posted 2-lane highways are default 55mph. In traffic, only as fast as safe, no tailgating
There is no known or specific prevention for fibromyalgia. However, similar to many other medical conditions, remaining as healthy as possible with a good diet, safe exercise, and adequate rest is the best prevention.
keep them safe
ONLY use the traffic signal to determine when its safe to cross the road.
Factory working conditions were not safe.
Generally it is safe unless there are underlying conditions.