A long thin mark is called a "line."
The long thin light bulb is called a fluorescent tube or a fluorescent light bulb. It is commonly used in commercial buildings, offices, and schools for general lighting purposes.
A thin ray of light is called a beam. It refers to a concentrated stream of light that appears as a line or streak.
That thin sliver of light is called a crescent. It is a shape that resembles a segment of a ring or disk that is illuminated with light.
A concave mark is called a "dent" or "depression." It refers to an indentation or hollow area in a surface.
Optical fibers are long thin strands of glass or plastic that can carry light for long distances. They are used in telecommunications and networking to transmit data at high speeds.
A long narrow mark could be a scratch on a surface, a streak of light, or a thin line drawn with a writing implement.
ROD!
A long thin scarf is typically called a "scarf" or a "skinny scarf".
Neck or fretboard
Neck or fretboard
Because they were ships? Do you mean longships? They were long and thin.
The long thin light bulb is called a fluorescent tube or a fluorescent light bulb. It is commonly used in commercial buildings, offices, and schools for general lighting purposes.
Thin neckwear is typically called a tie or a necktie. It is a long piece of cloth worn around the neck, usually with formal or business attire.
Origins Norwegian Word Ski
cloth is made up of thin long structures called fibers
In the US a thin wire nail, with almost no head and 3/4" to 2"long is a finish nail. 1/2" long are called brads. note. the UK may have different names for these.
In the US a thin wire nail, with almost no head and 3/4" to 2"long is a finish nail. 1/2" long are called brads. note. the UK may have different names for these.