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Question:

What can I do in this Roller-Skating situation?

Later this week I am going to a roller skating party. One problem- I have never been roller skating in my life. I'm really scared what can I do? Is it easy? Will I get the hang of it easily? I'm with my friends, some of which are my best friends.. so surely it won't be too bad?Please dont tell me to go to a rink tomoro and practice I cant do that.How hard do you find it? I have good lower body strength if that helpsPLEASE HELP MEE!!! D

Answer:

Plumbers use pipe. Electricians use conduit. Conduit establishes a protected pathway for cables and wires. Pipe facilitates the movement of liquids, solids (yuck), and gasses from one point to another. Plumbers typically use what is called schedule 40 or schedule 80 PVC for applications that require strength under pressure. DWV (Drain, Waste, Vent) is a cheaper thin walled PVC pipe used just as the name implies. Plumbers use a variety of pipes including but not limited to: brass ,copper pipe, copper tubing, galvanized steel water pipe and black iron gas pipe (which is really steel) Cast Iron pipe (which IS iron), and corrugated ABS plastic pipe for large scale storm water drainage. The PVC conduit used by electricians is of a different grade of Poly Vinyl Chloride, since it doesn't have to withstand high internal pressure like plumbing pipe. Electricians most often use thin walled galvanized conduit which they bend to fit into place and join with couplers. However they can also use a type of steel conduit called rigid which very much resembles steel plumbing pipe but is sized very differently and requires different fittings to connect it. HVAC (Heat Ventilation Air Conditioning) technicians use pipes in much the same way as plumbers do, but they too have their own unique specifications for pipe and fittings, so the types are NOT interchangeable. They also use different joinery techniques.
Mothballs are an old but recognised solution. They don't smell nice, but they do work.
There are some. One community in my area banned them after a firefighter was seriously injured when responding to a fire and standing on an exterior platform of the truck. The truck hit a speed bump at high speed and he was thrown off the truck. They decided it wasn't worth the risk to emergency responders. Otherwise, many areas have been replacing speed bumps with pillows, much larger areas of raised roadway that don't cause such a jarring effect but will still require a driver to slow down to maintain full control of their vehicle.

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