Players can wear metal tipped cleats, plastic tipped cleats, or rubber cleats. Generally, rubber cleats are used when playing on artificial turf and are round. Cleats used outdoors are detachable and can be replaced with a different type or length depending on the playing conditions.
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No, NFL cleats are typically made with rubber or plastic spikes instead of metal spikes. Metal cleats are generally not allowed in the NFL due to safety concerns.
There are a lots of meamings for the NFL acronym the main being associated with the National Football League, here you have a list of other meanings... ****** NFL Not For Long ****** NFL National Forensic League ****** NFL Newfoundland (Canada) ***** NFL No Free Lunch **** NFL New Found Love **** NFL No Friends Left **** NFL Nerve Fiber Layer **** NFL Npower Football League (UK) **** NFL NAS Fallon (Naval Air Station; Nevada) **** NFL Non-Fermi Liquid **** NFL National Food Laboratory (California) *** NFL National Federation of Labor *** NFL National Forensic Laboratory *** NFL No-Fire Line ** NFL Not Freakin' Likely ** NFL New Foreign Launch (military launch detection) ** NFL Norwegian Defence Industry Group ** NFL Nerd for Life ** NFL Noise Floor Level ** NFL Navigation Feature Layer * NFL Neue Fünf Länder (the states of former East Germany) * NFL Near, Far Line (marine engineering; US DoD)
It's a transition metal.
Chromium is a metal. It belongs to transition metal elements.
Rb (rubidium) is a metal.
Lithium is a metal. It is the lightest metal and belongs to the alkali metal group on the periodic table.