I am sure the signs you need when doing cleaning offices, should be "beware of wet floors" or "beware of workers cleaning windows" etc. Anything to do with up and above should be fine.
because of safety
there are no warning signs
Green signs are not warning signs. They are signs that tell you it is "safe" to do something.
What are the signs of apocalypse? He gave me weird Signs.
The fourth category of warning signs of stress is physical signs, which can include headaches, fatigue, muscle tension, stomach issues, and changes in sleep patterns. These physical symptoms often accompany underlying stress and can serve as important indicators that individuals need to address the sources of their stress.
It depends on what warning signs that you are interested in. Many sites offer guides on how to spot the warning signs for illnesses etc. If it is to do with motoring check the highway site for details.
One of the major warning signs that appliances need to be shut off is sparks. If one sees sparks the unit should be shut off. If there is a short in the appliance it should also be shut off as it could cause a fire.
Early warning signs of storms and precautions
The signs that you might need a new transmission include rough shifts, slippage, leaks, delayed engagement, dashboard warning lights, and many others.
There are many warning signs of pregnancy. Some warning signs include tingling nipples, spotting, cramping, morning sickness, swollen breasts, a missed period, and/or darkened nipples.
Warning signs are usually a sign that something will be or has the possibility of occurring. They are also called symptoms when dealing with sickness.
There are many warning signs that you are experiencing a lack of oxygen. Some warning signs can include skin that is bluish to gray in color, lightheaded feeling, and tingling in extremities such as fingers or toes.