Yes, you can add a weighted ring to the cone in order to secure it. They are a good way to keep them from being blown over by wind. You can look on Amazon for some.
Construction cones are used to keep people from accidentally interrupting construction. Without them there would be quite a few problems when building.
There are a number of reputable vendors who sell construction cones. It really depends on what size you would like and how much you are willing to spend. http://www.awdirect.com/safety-cones-traffic-cones/
traffic pylons, road cones, highway cones, safety cones, construction cones or (colloquially) witches' hats or safety wizards.
traffic pylons, road cones, highway cones, safety cones, construction cones or (colloquially) witches' hats or safety wizards.
This is a great website for purchasing construction cones, you can purchse by the dozen or by the pallet. They come in all sorts of various sizes. http://www.trafficconesforless.com/?gclid=CNnyypaRyqoCFRBS7AodFhnw3A
Orange cones are widely used to mark areas that are off limits. They are usually used this way by construction workers but they can also be used in other ways.
be prepared for workers and slow moving equipment
Traffic cones are considered an obstruction of the highway and can only be placed if you have the lawful authority to do so. Local authorities can give permission for cones to be placed for certain reasons such as public events, road works and construction.
Don't follow the law do it anyways
If your talking traffic cones then it depends on the road, traffic, the speed of the traffic, the construction being performed and most of all on the person (making a low wage) pulling them off a truck or trailer and placing them...
weighted
The homophone of weighted is waited.