Un garde-corps (ou garde-fou ou rambarde) est un ensemble d'éléments formant une barrière de protection placée sur les côtés d'un escalier ouvert, ou pourtour d'un palier, d'une toiture terrasse, d'une autoroute (le garde-fou prend le nom spécifique de glissière de sécurité avec ou sans garde-corps pour que le personnel puisse ou non enjamber la protection), d'un balcon, d'une mezzanine ou d'une galerie ou à tout autre endroit afin d'empêcher une chute accidentelle dans le vide. La composition du garde-corps peut varier, mais généralement sa construction implique qu'il ne puisse être escaladé facilement ou qu'un enfant ne puisse se glisser entre ses composants.
https://fr.wikipedia.org/wiki/Garde-corps

Guard rail, guardrails, or protective guarding,[1] in general, are a boundary feature and may be a means to prevent or deter access to dangerous or off-limits areas while allowing light and visibility in a greater way than a fence. Common shapes are flat, rounded edge, and tubular in horizontal railings, whereas tetraform spear-headed or ball-finialled are most common in vertical railings around homes. Park and garden railings commonly in metalworking feature swirls, leaves, plate metal areas and/or motifs particularly on and beside gates.
High security railings (particularly if in flat metal then a type of palisade) may instead feature jagged points and most metals are well-suited to anti-climb paint.
A handrail is less restrictive on its own than a guard rail and provides support.
https://en.wikipedia.org/wiki/Guard_rail

--------------------------------------------------
Note added at 21 hrs (2021-01-11 15:18:44 GMT)
--------------------------------------------------

Please read: guard rail (guardrails, protective guarding)

--------------------------------------------------
Note added at 22 hrs (2021-01-11 15:40:46 GMT)
--------------------------------------------------

guard rail noun [ C ]
a bar along the edge of something steep, such as stairs or a cliff, to prevent people from falling off
https://dictionary.cambridge.org/de/worterbuch/englisch/guar...

--------------------------------------------------
Note added at 22 hrs (2021-01-11 16:18:33 GMT)
--------------------------------------------------

Intermetro Shelf Guard Rail Fits 60 In
• Available in 5 different sizes
• Keep your items safe and secure from sliding off with this shelf ledge.
• Ledge has four wire bars that wedge into the shelf for a secure fit.
• Ledge is compatible with Intermetro shelves that are 54 inches in width.
• Shelf ledge comes in a polished chrome finish.
https://www.amazon.com/Intermetro-Shelf-Guard-Rail-Fits/dp/B...

Asecos™ Shelf Guard Rail System
Secures items safely on shelfs in safety storage cabinets.
https://www.fishersci.se/shop/products/shelf-guard-rail-syst...

This slender

--------------------------------------------------
Note added at 22 hrs (2021-01-11 16:19:09 GMT)
--------------------------------------------------

This slender guard provides a secure boundary for the edge of your shelf in order to prevent goods from being knocked off in any direction.
• Prevents items from falling off shelves
• Design maintains visibility of stored contents
• 2 pegs on each end
• Curved ends on pegs fit around posts for a secure hold
• Angled feet sit atop shelf frame
• Shelf must be at least 4" below top of post for maximum ledge stability
https://www.shelving.com/SI-Brand-Chrome-Wire-Shelf-Ledge-p/...

Sterlingham Classic Glass Shelf with guard rail
Classic glass shelf with guard rail 610mm long. Model 1-024 Choice of exposed screws as pictured or concealed fixings. The guard rail is hinged which can be lifted for easy cleaning
https://www.haysoferroll.co.uk/sterlingham-classic-glass-she...