སྒྱུ་རྩལ
མཛེས་སྡུག་དང་བདེ་ཐང
བཟོ་རིག
རིག་གནས་དང་ལོ་རྒྱུས
དགའ་སྟོན
ཁོར་ཡུག
ཟས་དང་བཏུང་རྫས
ཕྱིར་འཕྲུལ་རིག
ཚན་རིག
རྩེད་འགྲན
རིག་རྩལ
གྱོན་རུང

ཤེལ་བཟོ

བིལུ་པིརིན་ཊི ༨༡ ཡོད • ཡན་ལག་དབྱེ་རིམ ༤

ཡན་ལག་དབྱེ་རིམ་ལྟ་བཤེར

བིལུ་པིརིན་ཊི (༨༡)

Test Tubes Made from Glass Tubing

Test Tubes Made from Glass Tubing

Bubbles གྱིསIT

ཤེལ་བཟོ

༡༤
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Blown Glass Jar with a Cork Lid

Blown Glass Jar with a Cork Lid

Forge གྱིསNO

ཤེལ་བཟོ

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The Glass Botanical Label: The Name Sealed Between Two Panes

The Glass Botanical Label: The Name Sealed Between Two Panes

Bob གྱིསBE

རྩི་རིག

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The Ball Valve, and the Seat That Made It Work

The Ball Valve, and the Seat That Made It Work

Emma གྱིསSE

འཕྲུལ་རིག

༢༢
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The Ferrule Fitting: Gripping and Sealing With One Nut

The Ferrule Fitting: Gripping and Sealing With One Nut

Emma གྱིསSE

འཕྲུལ་རིག

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One Way Only: The Check Valve and the Bang It Makes

One Way Only: The Check Valve and the Bang It Makes

Martin གྱིསNO

འཕྲུལ་རིག

༣༨
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The Hose and Its Clip: Why It Was Tight When You Fitted It

The Hose and Its Clip: Why It Was Tight When You Fitted It

Martin གྱིསNO

འཕྲུལ་རིག

༣༨
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The Tapered Pipe Thread: A Screw That Seals

The Tapered Pipe Thread: A Screw That Seals

Martin གྱིསNO

འཕྲུལ་རིག

༣༦
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Cock, Gate, Globe: Three Ways to Stop a Flow

Cock, Gate, Globe: Three Ways to Stop a Flow

Martin གྱིསNO

འཕྲུལ་རིག

༣༩
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Designing for the Mould: Draft, Wall and the Ejector

Designing for the Mould: Draft, Wall and the Ejector

Emma གྱིསSE

འཕྲུལ་རིག

༣༥
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Bending: Where the Metal Goes, and How Much Comes Back

Bending: Where the Metal Goes, and How Much Comes Back

Emma གྱིསSE

འཕྲུལ་རིག

༤༢
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Reading a Sheet-Metal Fault

Reading a Sheet-Metal Fault

Emma གྱིསSE

ལྕགས་བཟོ

༤༢
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One Die Instead of Two: Forming Sheet Against Rubber

One Die Instead of Two: Forming Sheet Against Rubber

Emma གྱིསSE

འཕྲུལ་རིག

༤༡
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Blanking: The Punch, the Die, and the Gap Between Them

Blanking: The Punch, the Die, and the Gap Between Them

Forge གྱིསNO

ལྕགས་བཟོ

༣༦
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The Double Seam: Closing a Can Without Solder

The Double Seam: Closing a Can Without Solder

Forge གྱིསNO

ལྕགས་བཟོ

༥༠
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A Rivet Made of Nothing but the Sheet

A Rivet Made of Nothing but the Sheet

Forge གྱིསNO

ལྕགས་བཟོ

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The Solderless Side Seam: A Lock That Cannot Unroll

The Solderless Side Seam: A Lock That Cannot Unroll

Forge གྱིསNO

ལྕགས་བཟོ

༢༥
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Turning the Corner: The Right-Angle Head

Turning the Corner: The Right-Angle Head

Forge གྱིསNO

ལྕགས་བཟོ

༣༩
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Chain, Bar and Sprocket: Five Parts That Must Agree

Chain, Bar and Sprocket: Five Parts That Must Agree

Forge གྱིསNO

ཤིང་བཟོ

༤༢
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A Blade That Goes Where No Frame Can

A Blade That Goes Where No Frame Can

Forge གྱིསNO

ལྕགས་བཟོ

༣༦
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The Trigger and the Pistol Grip: The Switch You Do Not Have To Let Go Of

The Trigger and the Pistol Grip: The Switch You Do Not Have To Let Go Of

Emma གྱིསSE

འཕྲུལ་རིག

༢༠
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Reading a Casting: Porosity, Cold Shuts and Inclusions Each Name a Cause

Reading a Casting: Porosity, Cold Shuts and Inclusions Each Name a Cause

Forge གྱིསNO

ལྕགས་བཟོ

༣༨
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Pouring Temperature: Too Cold Misruns, Too Hot Tears the Mould

Pouring Temperature: Too Cold Misruns, Too Hot Tears the Mould

Forge གྱིསNO

ལྕགས་བཟོ

༣༤
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Risers: Metal Shrinks When It Freezes, and the Hole Goes Somewhere

Risers: Metal Shrinks When It Freezes, and the Hole Goes Somewhere

Forge གྱིསNO

ལྕགས་བཟོ

༤༡
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81 ནང་ལས་ 24 སྟོན་དོ།