Match the following items in column A with their purpose in column B. Match the following conversion factors in column A with their metric in column B.

Haya hapa ni majibu ya maswali yako ya kuoanisha:

31. Oanisha vitu vifuatavyo katika safu wima A na mahali vinapowekwa katika safu wima B.

1. Bib taps: $\boxed{\text{F}}$ (On kitchens and stand pipes)
2. Ball valves: $\boxed{\text{B}}$ (High pressure water supply)
3. Stop cocks: $\boxed{\text{A}}$ (Low pressure distribution pipes)
4. Pillar taps: $\boxed{\text{C}}$ (Vertically on baths, WHB)
5. Gate valves: $\boxed{\text{E}}$ (Fitted on cisterns)

32. Oanisha vitu vifuatavyo katika safu wima A na madhumuni yake katika safu wima B.

1. Sweating: $\boxed{\text{C}}$ (Jointing of copper tubes as applied in soldering)
2. Tallow: $\boxed{\text{B}}$ (Material for assisting in fusion)
3. Resin: $\boxed{\text{A}}$ (Material for preventing oxidation)
4. Annealing: $\boxed{\text{E}}$ (To soften material by applying heat)
5. Tempering: $\boxed{\text{D}}$ (To toughen steel by applying controlled heat and coating)

33. Oanisha vigezo vya ubadilishaji katika safu wima A na kipimo chake katika safu wima B.

1. Length: $\boxed{\text{E}}$ (Meters and millimeters)
2. Mass: $\boxed{\text{C}}$ (Kilograms)
3. Area: $\boxed{\text{A}}$ (Square meter and square millimeter)
4. Volume: $\boxed{\text{B}}$ (Cubic meters)
5. Capacity: $\boxed{\text{D}}$ (Litres)