Due to the very nature of the environment means that there are hazards that are present all the time. Risk is managed to reduce the chance of incidents however, when some indulges in horseplay/fooling around etc the risk levels and potential for accident vastly increase. In workplace people found to have acted in a way considered to be horseplay which directly or indirectly causes a health and safety incident can be prosecuted.
Improper behavior is fooling around and horseplay. Proper is the opposite
You don't mess with the gas without the teacher's permission. You don't mix chemicals without goggles or without the teacher's permission. You don't horseplay around in the lab.
Stay responsible in class. Its better than continuing this experiment in accident and emergency.
The answer is horseplay.
Horseplay - 2014 is rated/received certificates of: Singapore:PG
A variety of incidents can cause laboratory accidents. Usually these incidents include carelessness or horseplay.
Hey you kids! Don't horseplay outback! Do your homework!
Horseplay - 2003 is rated/received certificates of: Australia:M Finland:K-15
what Eva you think it is ; /
horseplay
Beastie Boys 'Horseplay' - 2004 V is rated/received certificates of: UK:E
Horseplay