It means putting waste in well sealed and properly labeled containers containers​

Sealing and Labeling; Mixing Hazardous Wastes; Waste ... Areas, Proper Storage, Improper Storage and Limits; Quick Facts; Waste Satellite ... Hazardous waste containers must be in good condition and free of leaks or any ... The best container for your hazardous waste is the original chemical container.

Explanation:

you have to study

these are common warning signs of overtraining syndrome:

washed-out feeling, tired, drained, lack of energy

mild leg soreness, general aches, and pains

pain in muscles and joints

sudden drop in performance

insomnia

headaches

decreased immunity (increased number of colds, and sore throats)

decrease in training capacity/intensity

moodiness and irritability

depression

loss of enthusiasm for the sport

decreased appetite

increased incidence of injuries.

a compulsive need to exercise