Grade by Grade
A. Design Processes and Related Skills · Design Skills: From Idea to Tested Prototype

Tools, Equipment and Industry Documents

A2.4 A2.5 A4.3About 75 minutes
Learning goals
  • I can select the right tool or piece of equipment for a task, material and level of precision.
  • I can describe how to use and maintain common tools safely.
  • I can read and create industry documents such as a bill of materials, a cut list, a procedure and a standardized recipe.
  • I can use documents to guide the making of a product or the delivery of a service.

Words to know

tool
A hand-held device used to do a task, such as a saw, file or whisk.
equipment
Larger machines or devices used in a workplace, such as a drill press, commercial oven or hair dryer.
maintenance
Regular care that keeps tools safe and working: cleaning, sharpening, inspecting and storing properly.
bill of materials (BOM)
A list of every material and part needed, with quantities, sizes and costs.
cut list
A list of every piece to be cut, with its exact dimensions and material.
standard operating procedure (SOP)
Step-by-step written instructions for doing a task the same safe way every time.
standardized recipe
A recipe used in professional kitchens with exact quantities, method, yield and portion size.
Safety Data Sheet (SDS)
A document required under Canada's WHMIS system that gives hazards and safe handling information for a hazardous product.

The right tool for the job

You can open a paint can with a screwdriver, but you will probably bend the lid, ruin the screwdriver and maybe stab your hand. Professionals choose tools carefully, keep them in good shape and follow written documents so the work is safe and consistent.

The curriculum asks you to select, use and maintain tools and equipment appropriately (A2.4) and to use industry-related documents to guide the creation of products or the delivery of services (A2.5).

Measure and marktape measure, square,pencil, calipersCuthandsaw, coping saw,utility knife, snipsShape and smoothfile, rasp,sandpaper, planeDrill and drivehand drill, cordless drill,screwdriversJoin and fastenhammer, glue gun,clamps, staplerHoldvise, clamps,bench hookChoose by: task → material → precision needed → safety
Tool families in a construction or manufacturing shop. Choosing a tool starts with the task, then the material and the precision needed. A holding tool (bottom right) makes almost every other job safer.

Selecting tools

Ask four questions:

  1. What is the task? Measure, cut, shape, drill, join, hold, mix, cook, style?
  2. What material? A coping saw cuts curves in thin wood; snips cut sheet metal; a utility knife scores cardboard; a serrated knife cuts bread.
  3. What precision? Rough cut or exact fit? (Recall measurement tools from the last lesson.)
  4. Is it safe for me and the setting? Do I have training, supervision and protective equipment? Is there a safer tool that does the job?

Other technology areas follow the same logic: a chef chooses a chef's knife, a paring knife or a mandoline; a hairstylist chooses shears, thinning shears or clippers; a mechanic chooses a socket wrench or a torque wrench.

Using and maintaining tools safely

  • Get training and permission first. Read the manual for power tools. At home, an adult should supervise any cutting, heating or power-tool use.
  • Wear the right protection: safety glasses for cutting, drilling and sanding; tie back long hair; no loose sleeves or dangling jewellery.
  • Secure the work: clamp it or use a vise or bench hook so both hands are free and the piece does not move.
  • Cut away from your body and keep your other hand behind the blade.
  • Let the tool do the work. Forcing a tool causes slips.
  • Keep blades sharp. A dull blade needs more force and slips more easily, so it is more dangerous.
  • Inspect before use: loose heads, cracked handles, frayed cords. Report damaged tools and do not use them.
  • Clean and store: wipe off dust and glue, retract blades, unplug and put tools back in their place.

Safety first at home

For the activities in this unit: an adult cuts any cardboard or plastic with a utility knife or scissors, or closely supervises a teen who has been shown how. Use a steel ruler as a guide, cut on a cutting mat or scrap board, and retract the blade after every cut. Hot glue guns can burn: use the low-temperature setting, keep a bowl of cold water nearby, and never touch the nozzle.

Industry documents

Workplaces run on documents. They make sure everyone does the job the same, correct and safe way.

  • Technical drawings and plans (last lessons): sizes and shapes.
  • Bill of materials (BOM): what you need and what it costs.
  • Cut list: each piece, its size and material.
  • Standard operating procedure (SOP) or work order: numbered steps for a task.
  • Standardized recipe: ingredients by mass or volume, method, cooking temperature and time, yield (number of servings) and portion size.
  • Manufacturer's manual: how to use and maintain equipment, and specifications such as torque values.
  • Safety Data Sheet (SDS): under WHMIS (the Workplace Hazardous Materials Information System), hazardous products used at work, such as solvents, some glues and cleaning chemicals, must have an SDS available that explains hazards, protective equipment and first aid.
  • Codes and standards: for example the Ontario Building Code for construction.
  • Client records: for example a hairstylist's consultation card with the client's hair type, past treatments and allergies.
ItemMaterial / descriptionSize (mm)QtyUnit costCost
BaseCorrugated cardboard, 3 layers240 × 1501$0.00$0.00
BackCorrugated cardboard, 3 layers340 × 1501$0.00$0.00
BraceCorrugated cardboard, 3 layers180 × 1501$0.00$0.00
LedgeCorrugated cardboard, 3 layers150 × 601$0.00$0.00
GlueWhite glue (PVA), 120 mL bottle-1$2.49$2.49
FeetSelf-adhesive rubber bumpers, pack of 8Ø 121$3.99$3.99
Total$6.48
A bill of materials for the cardboard prototype (cardboard reused from delivery boxes). Each cardboard part needs 3 layers, so the cut list has 12 cardboard pieces.
Base 240 × 150Back 340 × 150Brace 180 × 150Ledge 150 × 60offcut (save for testing)cardboard sheet 600 × 400 mm (all dimensions in mm; 10 mm gaps for the cut)flute direction (along the long sides)
A cutting layout for one layer of each part (the stand needs three layers, so this is repeated three times). Parts are nested close together to reduce waste, with gaps for the cut. Each part's long side runs along the flutes. The leftover offcut is saved for test pieces.
Worked example

Writing a procedure (SOP)

Write a short standard operating procedure for gluing the three-layer cardboard parts of the tablet stand.

  1. Title and purpose: SOP: laminating cardboard parts (3 layers) for the tablet stand prototype.
  2. Materials and tools: cut pieces (from the cut list), white glue, scrap card for spreading, wax paper, heavy books or clothespins as clamps.
  3. Safety: work on a covered table; wash hands after gluing; keep glue away from eyes.
  4. Steps: 1) Check each piece against the cut list. 2) Mark the flute direction on each piece. 3) Spread a thin, even layer of glue on one face. 4) Place the next layer on top, edges lined up, with flutes alternating direction if extra stiffness both ways is needed, or all lengthwise for a long part that must not bend. 5) Repeat for the third layer. 6) Press between wax paper under books for at least 2 hours. 7) Label the part.
  5. Quality check: edges aligned within 1 mm; no gaps along the edges.

A clear SOP lists purpose, materials, safety, numbered steps and a quality check, so anyone could repeat the process and get the same result.

Worked example

Scaling a standardized recipe

A standardized recipe for hot chocolate has a yield of 4 servings: 500 mL hot water, 60 g hot chocolate mix. Scale it for 150 servings for the booth.

  1. Find the conversion factor: new yield ÷ old yield = 150 ÷ 4 = 37.5.
  2. Water: 500 mL × 37.5 = 18 750 mL = 18.75 L.
  3. Hot chocolate mix: 60 g × 37.5 = 2250 g = 2.25 kg.
  4. Check with the BOM: if each tin holds 750 g (from the label), 2250 ÷ 750 = 3 tins, which matches the budget plan.

18.75 L of water and 2.25 kg of hot chocolate mix (3 tins).

Hands-on activity

Tool inventory and maintenance check

You need: access to your home's toolbox or kitchen drawer, a notebook, and an adult to work with you. Do not plug in or switch on any power tool for this activity.

  1. With your adult, list 10 tools or pieces of equipment. For each, record its family (measure/mark, cut, shape, drill/drive, join, hold, or a kitchen category) and one task it is right for.
  2. Inspection: check each one for damage (loose head, cracked handle, dull or rusty blade, frayed cord). Record the condition.
  3. Maintenance: with your adult, clean one tool (for example wipe and dry a set of scissors, or brush dust off a saw and store it with a blade guard).
  4. Find one product in your home with a hazard symbol (like a cleaner). With your adult, look up its SDS or read its label and record the hazard, the protective equipment and the first aid instructions. Do not open it.
  5. Write a cut list or ingredient list for something you could make, using correct units.

What to look for: correct tool families and matching tasks, honest condition notes, a maintenance step done with an adult, and a correctly read hazard label.

Just for fun

Why did the dull saw go back to school?

It wanted to get a little sharper. (Remember: sharp tools are safer, because they need less force and slip less.)

Your turn

1

Which tool would you choose to cut a curved shape in thin plywood: a crosscut handsaw, a coping saw or snips?

2

Why is a dull blade more dangerous than a sharp one?

3

Name three things on a bill of materials.

4

What is the difference between a cut list and a bill of materials?

5

What is an SDS and when do you need one?

6

A recipe yields 6 servings with 300 g of pasta. How much pasta for 45 servings?

7

Give two maintenance habits for hand tools.

More practice: warm-up

1

Name a tool for measuring and a tool for holding.

2

What does SOP stand for?

3

What does yield mean in a recipe?

4

Should you cut toward or away from your body?

5

What document gives wheel-nut torque values for a car?

More practice: on your own

1

Using the BOM, what would the total cost be if Amira made 3 prototypes, buying one more bottle of glue (enough for all three) and one more pack of feet (8 feet in a pack, 4 per stand)?

2

Why should a standardized recipe list ingredients by mass rather than by cups when possible?

3

A hairstylist keeps a consultation card for each client. Explain how this document improves the service.

4

In the nesting layout, why is there a 10 mm gap between parts?

5

Explain why securing work with a clamp is safer.

Challenge

1

Write a 6-step SOP for safely changing the blade of a utility knife (to be done with an adult present). Include a safety step and a disposal step.

2

The cardboard sheet is 600 × 400 mm. The four parts in the layout cover how much area, and what percent of the sheet is that?

3

Choose a technology area other than construction and describe two industry documents used there and how each improves safety or quality.

Check your understanding

Quiz

1.

Which is the best tool to hold a board steady while you saw it?

2.

Why are sharp blades safer than dull ones?

3.

Which document lists every piece to cut with exact sizes?

4.

Under WHMIS, which document explains a chemical's hazards and first aid?

5.

A recipe yields 8 servings. You need 20. The conversion factor is...

6.

Which is part of tool maintenance?

For parents and teachers

Big idea: Expectations A2.4 (select, use and maintain tools and equipment) and A2.5 (use industry-related documents) are central to every trade. Safe tool use (A4.3) is reinforced here; the health and safety unit covers it in depth.

Supervision at home: this course is normally taught in a school shop with trained teachers. At home, an adult should handle or closely supervise any cutting with knives or saws, any hot glue, and any power tool. If you are not comfortable with a tool, skip it: the activities can be done with scissors, cardboard and glue.

How to help:

  • Show your teen how you care for tools in your home (sharpening a kitchen knife, oiling hinges, storing a drill).
  • Read a product label or an SDS together, and a furniture assembly manual.

Common difficulties: confusing a BOM with a cut list; forgetting units in documents; skipping the quality-check step in procedures.