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No. They are powdered metal.
yes very :)
Yes..look up alumaloy welding rods
Both rods acquired charge of the same polarity during the rubbing process, so there will be a force of repulsion between them.
Rust should generally not be an issue in normal indoor household environments. In rooms where uncontrolled moisture and humidity where rust a matter of concern, you can either avoid the problem altogether by using curtain rods made of non-rusting materials such as aluminum, wood, or copper. If iron or steel rods are used, they should be galvanized, zinc-coated, or aluminum coated.
Antenna is made in China. Frame is a soft pliable plastic and rods are light aluminum of similar thickness as a soda can.
Anode rods are used in RV and home hot water heaters. Aluminum tanks are not required to have an anode rod where steel tanks usually are.
The capacity of the rod depends on what it's made of, how it is installed, its length and mid-support. If you are attaching a rod to the rod that's currently installed, that will add stress to the first rod, so make sure you know the capacity of the original closet rod. Rods that are anchored in the studs are more sturdy. Use solid hardwood rods. Plastic and aluminum rods, often sold in doubling kits, aren't very study.
The LM manned compartment was made mostly of a thick aluminum foil (an astronaut's boot could easily have kicked a hole in it!) The frame supports were aluminum rods. The LM decent stage was covered in aluminized mylar.
You didn't specify for what part but in general pistons- forged- Aluminum alloy crankshaft -billet or forged 4340 steel connecting rods- forged/billet 4340 steel, or titanium, Aluminum(for drag racing only)
There are old rods, good rods, and super rods, and super is the best.
In 160 rods, there are 160 rods. This is a funny question.. ha ha ha. not.