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Failing to properly maintain the system and unprofessionalism are some of the factors that can cause the controls that have been established for a prolonged period of time to lose their effectiveness.
no...salt, sugar, flour...none of these expire. your epsom salt package might have an expiration date..probably indicating shelf life....generally how long it can be expected to remain on a shelf before it's effected by moisture. moisture can case it to clump and get hard...but if it's unopened or well sealed it should not get hard and doesn't go bad or lose it's effectiveness.
No it will not.
Being overconfident or complacent
Lack of resources and monitoring
An IUD can be left in for years without causing problems. A hormonal IUD will lose effectiveness, though.
Many factors can lead to a decrease in effectiveness of controls that have long been established and implemented, depending on the situation and controls. In the case of restaurant policies for food handling, for example, factors such as new scientific discoveries relating to food-borne illnesses and bacteria control can lead to changing controls about how food is handled.
Many factors can lead to a decrease in effectiveness of controls that have long been established and implemented, depending on the situation and controls. In the case of restaurant policies for food handling, for example, factors such as new scientific discoveries relating to food-borne illnesses and bacteria control can lead to changing controls about how food is handled.
Many factors can lead to a decrease in effectiveness of controls that have long been established and implemented, depending on the situation and controls. In the case of restaurant policies for food handling, for example, factors such as new scientific discoveries relating to food-borne illnesses and bacteria control can lead to changing controls about how food is handled.
leaders can supervise compliance with hazard controls during a mission by
Loss of brakes
Bleach does eventually lose its effectiveness, depending on how long it is stored. When diluted with water, bleach loses it's ability to disinfect after 24 hrs. www.med.cornell.edu/ehs/faq/biological_safety.htm