অনুসন্ধানের ফলাফল: "Pipe fittings and valves"

বিষয়শ্রেণী · সকল সম্প্রদায়
A pipe is a tubular section or hollow cylinder, usually but not necessarily of circular cross-section, used mainly to convey substances which can flow — liquids and gases (fluids), slurries, powders, masses of small soli…
A hammer is a tool meant to deliver an impact to an object. The most common uses are for: Driving nails Fitting parts Forging metal Breaking up objects Hammers are often designed for a specific purpose and vary widely in…