Lead Pipe
noun
A lead pipe is a lead pipe. Don't hit people with this in the knees.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
鉛管の中に鉛製のカギが置かれていた。
A key made of lead was placed inside a lead pipe.
水道の配管には、かつては鉛管がよく使われていました。
Lead piping was once often used in plumbing systems.
この家のパイプの一部はまだ鉛管になっているから、水道から出るお湯を直接口にしてはいけないよ。
Some parts of this house still use lead pipes, so do not drink hot water from the tap, okay?