According to the Clymer service manual, "The fuel level should be 0.53-0.57 in. (13.5-14.5 mm) below the piston valve center mark on the float bowl." (The "piston valve center" is marked near the round protrusion on the back of the carb, the side with the fuel lines)
Radiological material physically attached to an external surface (person)
External devices which are attached to the computer are called "peripherals."
Radiological material physically attached to an external surface (person)
Certain models have fit a external light onto them.
Tolerance
This would generally be observed on a laptop/notebook system when you are using the integrated screen and do not have an external monitor attached. If you try to switch from one display to the other, it will tell you it has no external display to switch to.
You can always just turn it off with external switch on the computer.
Channels
Depending on the PDA there are external memory storage which features an additional memory card that you are attached to the the PDA.
This Tv comes with speakers attached to it.
External speakers can be attached to this product through use of the headphone socket. Due to the product mainly being intended to be used with headphones you may need use amplified speakers to maintain sound quality.
Peripherals are external devices that are attached, either by a cable or wifi, to the computer. Examples of peripherals are a keyboard, monitor, mouse, printer, external hard drive, and so on, all of whom are attached externally to the computer's tower and motherboard.