Traduction de «dispositif à quatre couches » (Français → Anglais) :

"Lying down/supine/prone position" means a position where at least the child's head and body excluding its limbs are on a horizontal surface when at rest in the restraint.

The line of defence for the promotion of safety in tunnels comprises four successive layers: Prevention, mitigation, evacuation and rescue.

The line of defence for the promotion of safety in tunnels comprises four successive layers: Prevention, mitigation, evacuation and rescue.

Dielectric layers refers to more than four dielectric layers or dielectric/metal "composite" layers.

2.18. ‘Lying down/supine/prone position’ means a position where at least the child's head and body excluding its limbs are on a horizontal surface when at rest in the restraint.

Whereas it is necessary, essentially for the purpose of the conformity assessment procedures, to group the devices into four product classes; whereas the classification rules are based on the vulnerability of the human body taking account of the potential risks associated with the technical design and manufacture of the devices; whereas the conformity assessment procedures for Class I devices can be carried out, as a general rule, under the sole responsibility of the manufacturers in view of the low level of vulnerability associated with these products; whereas, for Class IIa devices, the intervention of a notified body should be comp ...[+++]ulsory at the production stage; whereas, for devices falling within Classes IIb and III which constitute a high risk potential, inspection by a notified body is required with regard to the design and manufacture of the devices; whereas Class III is set aside for the most critical devices for which explicit prior authorization with regard to conformity is required for them to be placed on the market;