– The difference between primary and secondary legal protection

Secondary explosion protection measures are used if the primary measures cannot ensure an adequate level of safety or if the primary measures cannot be used.

The present case concerns not primary but only secondary legal protection.

The primary protection unit (11) protects circuits from an overvoltage.

Preventing potentially explosive atmospheres – primary explosion protection

In animal cubicles, the room itself provides primary containment, and personal protective equipment serves as primary protection against exposure.

One or more primary shaving blades (28) are positioned between the primary guard and the primary cap.

One or more primary shaving blades (28) are positioned between the primary guard and the primary cap.

Primary protection: The primary protection provides surface protection of the product, forming a very light, protective appearance around the product, so as to achieve the purpose of preventing dust, oil, moisture, water, and theft.

Primary protection: Provides surface protection of the product, forming a very light, protective appearance around the product to achieve dust, oil, water and security.

The primary protection provides surface protection of the product, forming a very light and protective appearance around the product, so as to achieve the purpose of preventing dust, oil, moisture, water, and theft.

Primary protection: Primary protection provides surface protection of the product, forming a very light, protective appearance around the product to achieve dust, oil, moisture, water, and theft.

The distinction between primary and secondary legal protection is, rather, of general validity.

Tertiary explosion protection measures are only considered if it is clear that neither primary nor secondary explosion protection measures can be implemented.

A user side multicast service primary and standby protection system and method are provided by the present invention.