Similar to 職業訓練指導員_(配管科)

Piping

Tube (fluid conveyance)

Weep (architecture)

Electrofusion

Piping and plumbing fitting

British Standard Pipe

Rain chain

Grease trap

Hollow structural section

Surge tank

Seal (mechanical)

Feedthrough

Hydraulic shock

Water supply

Water pipelines

Ductile iron pipe

Duct (flow)