Processes
Specs
RFQs
About
Join
Sign In
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
0
1
2
3
4
5
6
7
8
9
Processes starting with
S
SAE
(1)
SAE-APB Case Hardened Steel Peening Balls
(1)
SAE-APB Glass Shot
(1)
SAE-AZB Ceramic Shot
(1)
SAE-Cast Steel Shot, High Hardness
(1)
SAE-Cast Steel Shot, Regular Hardness
(1)
SAE-Computer Controlled Shot Peening Saturation Curves
(1)
SAE-Conditioned Carbon Steel Cut Wire Shot, High Hardness
(1)
SAE-Conditioned Carbon Steel Cut Wire Shot, Regular Hardness
(1)
SAE-Conditioned Stainless Steel Cut Wire Shot
(1)
SAE-Procedures for using Standard Shot Peening Almen Strip
(1)
SAE-Shot Media General Requirements
(1)
SAE-Shot Peening Coverage Determination
(1)
SAE-Shot Peening of Metal Parts
(1)
SAE-Test Strip, Holder and Gage for Shot Peening
(1)
SALT SPRAY
(1)
SANDBLAST / GLASS BEAD BLAST
(1)
SE Shot Peen
(1)
SFL CLASS V1 ONLY
(3)
SILVER
(1)
SILVER PLATE
(1)
SILVER PLATING
(2)
SOLID DRY FILM LUBRICANT (DRY LUBE)
(1)
SOLID FILM LUBRICANTS - WATER BASE
(1)
SPF/DB of Ti Alloys
(1)
SSPC Painting Manual Volume 1 4th Edition
(1)
SSPC Painting Manual Volume 2 8th Edition
(1)
STEEL
(6)
STEEL - AUSTENITIC CRES
(2)
STEEL - MARTENSITIC CRES
(2)
STRESS RELIEF
(1)
STRIPPER S-16 Stripper
(1)
STRIPPING
(1)
SULFAMATE NICKEL
(1)
SURFACE TREATMENT
(1)
Salt Fog Testing
(2)
Salt Spray
(1)
Salt Spray Test
(2)
Salt Spray Test Procedure
(1)
Salt Spray Testing
(292)
Salt Spray Testing
(1)
Salt Spray Testing In Support of AC7108
(1)
Sanchem Process
(1)
Sandblasting
(1)
Satin Nickel
(5)
Seal Bond Primer Application
(2)
Seal Mask Moulds, Engine Support, Equipment, Machining Forged Rings New Manufacture
(1)
Sealants
(1)
Sealing Efficiency Testing
(1)
Sealing of Joints and Faying Surfaces
(1)
Secondary Bonding
(1)
Selected Brush Cadmium Plating
(2)
Selective (Brush Plating) Electrodeposition
(1)
Selective Brush Cadmium Plating
(1)
Selective Laser Sintering
(1)
Selective Plating
(1)
Semi Bright Nickel Plating
(4)
Semi-Bright Silver
(1)
Semi-Bright Silver Plating
(5)
Shaft and Bladed Disc Repair and Recoat
(1)
Shim Stock Laminated
(1)
Shot - Glass Bead Peening Metal Parts (QPL)
(12)
Shot Peen
(30)
Shot Peen Forming
(23)
Shot Peening
(235)
Shot Peening
(3)
Shot Peening
(20)
Shot Peening (Boeing Helicopters only)
(14)
Shot Peening - Metal Parts
(34)
Shot Peening - Self Contained
(57)
Shot Peening Computer Monitored
(1)
Shot Peening Of Metal Parts
(1)
Shot Peening for Fatigue Enhancement
(4)
Shot Peening for Improved Fatigue and Stress Corrosion Resistance
(1)
Shot Peening of Metal
(1)
Shot Peening of Metal Parts
(2)
Shot Peening of Steel
(1)
Shotpeen
(1)
Silver
(141)
Silver
(2)
Silver & Nickel Strike (High Bake)
(1)
Silver (High Temp.)
(1)
Silver Brazing of Steel Copper Nickel - Cobalt Alloys - Torch- Induction
(9)
Silver Electro-Deposited
(2)
Silver Electro-deposited
(1)
Silver Electroplated Metallic Coating
(3)
Silver Plated Copper Powder
(1)
Silver Plating
(201)
Silver Plating
(3)
Silver Plating (QPL)
(4)
Silver Plating Hi Bake
(1)
Silver Plating Seal Rings
(2)
Silver Plating Spec
(2)
Silver Plating, Bright
(2)
Silver Plating, Bright, Matte, Semi-Bright
(4)
Silver Plating, Bright, Type III
(1)
Silver Plating, Copper Strike, Low Bake
(1)
Silver Plating, Electrodeposited
(1)
Silver Plating, Low Bake
(1)
Silver Plating, Matte, Type I
(1)
Silver Plating, Nickel Strike, High Bake
(1)
Silver Plating, TYPE I, II, & III GRADE B
(1)
Silver Plating, TYPE I,II, & III GRADE B, C, D
(1)
Silver Plating, Type I, Type II and Type III
(2)
Silver Seal Rings
(1)
Silver and Gold Plating
(3)
Silver/Nickel Strike
(8)
Soft Gold
(1)
Soft Gold Plating
(2)
Sol-Gel Conversion Coatings for Aluminum Alloys
(1)
Sol-Gel Conversion Coatings for Aluminum Alloys (Approval required for Spray, Manual and Immersion application excluding touch up due to post application operations)
(39)
Sol-Gel Surface Treatment for Painting Titanium Alloys
(3)
Solder Plate
(1)
Solder Plating
(2)
Solder testing
(1)
Solid Dry Film Lubricant
(1)
Solid Film Inorganic Sealant Coating Compound
(1)
Solid Film Lube
(3)
Solid Film Lubricant
(20)
Solid Film Lubricant
(24)
Solid Film Lubricant - Solvent Base
(1)
Solid Film Lubricants
(1)
Solid Film Lubricants
(4)
Solid Film Lubrication
(1)
Solid Lube Film
(1)
Solvent Cleaning
(1)
Solvent Cleaning
(3)
Solvent Cleaning of Surfaces
(1)
Solvent Cleaning-Liquid
(1)
Solvent Resistance Testing In Support of AC7108
(1)
Sonic and Ultrasonic Resonance Inspection of Bonded Assemblies
(1)
Spec for Fusion Welding for Aerospace Applic for Titanium Alloys
(13)
Spec for Fusion Welding for Aerospace Applications for Aluminum Alloys
(21)
Spec for Fusion Welding for Aerospace Applications for Magnesium Alloys
(2)
Spec for Fusion Welding for Aerospace Applications for Steel - CRES and Heat Resistant Alloys
(26)
Spec for Fusion Welding for Aerospace Applications for Welder Qualification
(114)
Special Cadmium Plating for High Strength Steels
(1)
Special Cadmium Plating for High Strength Steels - Post Chromate Treated
(1)
Special Cold Expansion Bushing Install for 16W112
(1)
Special Commercial Airplane Company Finish Codes
(2)
Specialty Chemicals for Chromate Conversion: Non-QPL
(1)
Specialty Chemicals for Chromate Conversion: QPL-81706B Approved
(1)
Specification for Resistance Welding for Aerospace Applications - Aluminum Alloys
(2)
Specification for Resistance Welding for Aerospace Applications - Magnesium Alloys
(1)
Specification for Resistance Welding for Aerospace Applications - Ni-Co Base Alloys
(1)
Specification for Resistance Welding for Aerospace Applications - Steel Alloys
(1)
Specification for Resistance Welding for Aerospace Applications - Titanium Alloys
(1)
Split Sleeve Coldworking of Holes in Al on F-16
(1)
Spray Application of Filled Elastomeric Coating
(1)
Stainless Steel
(1)
Stainless Steel Electropolishing
(1)
Stainless Steel Passivate Plating
(3)
Stainless Steel Passivation
(7)
Stainless Steel Polishing
(1)
Stainless Steels – Austenitic:
(2)
Stainless Steels – Martensitic
(2)
Stainless Steels – Precipitation Hardening
(2)
Standalone Cleaning, Descaling, Passivation and Electropolishing – AC7108/12 must also be selected
(1)
Standard Anodizing, Type II
(4)
Standard Guide for Descaling and Cleaning
(1)
Standard Guide for Descaling and Cleaning Titanium and Titanium Alloys Surfaces
(2)
Standard Guide for Fastener Sampling for Specified Mechanical Properties and Performance Inspection
(1)
Standard Guide for Prep of Metal Surfaces for Adhesive Bond
(1)
Standard Guide for Preparation of Aluminum Surfaces for Structural Adhesives Bonding (Phosphoric Acid Anodizing)
(1)
Standard Practice Cleaning Descaling & Passivation of Stainless Steel Parts
(1)
Standard Practice for Adhesion Testing of Metallic Coatings
(1)
Standard Practice for Assessing the Solvent Resistance of Organic Coatings Using Solvent Rubs
(1)
Standard Practice for Cleaning, Descaling and Passivation of Stainless Steel Parts and equipment Systems
(2)
Standard Practice for Evaluating Degree of Rusting on Painted Steel Surfaces
(1)
Standard Practice for Liquid Penetrant Examination
(2)
Standard Practice for Liquid Penetrant Testing
(3)
Standard Practice for Magnetic Particle Inspection
(1)
Standard Practice for Magnetic Particle Testing
(1)
Standard Practice for Operating Salt Spray (Fog) Apparatus
(1)
Standard Practice for Passivation of Stainless Steel using Electropolishing
(2)
Standard Practice for Radiographic Examination Using Computed Radiography
(1)
Standard Practice for Radiographic Inspection
(72)
Standard Practice for Radiological Examination Using Digital Detector Arrays
(3)
Standard Practice for Ultrasonic Contact Exam. of Weldments
(1)
Standard Practices for Preparation of Magnesium Alloy Surfaces for Painting
(1)
Standard Practices for Thermal Neutron Radiography of Materials
(2)
Standard Recommended Procedure for Cleaning and Descaling of Stainless Steel Parts
(1)
Standard Specification for Alloy Steel Bolting Materials for Special Applications
(1)
Standard Specification for Autolytic (Electroless) Nickel-Phosphorus on Metal
(1)
Standard Specification for Black Synthetic Iron Oxide
(1)
Standard Specification for Cadmium Plating
(1)
Standard Specification for Cadmium or Zinc Chromate Organic Corrosion Protection Coating for Fasteners
(1)
Standard Specification for Chromate Free Zinc Flake Composite Coatings With or Without Integral Lubricants
(1)
Standard Specification for Cleaning and Descaling of Stainless Steel Parts
(1)
Standard Specification for Electrodeposited Coatings of Silver for Engineering Use
(4)
Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel
(1)
Standard Specification for Electrodeposited Coatings on Threaded Fasteners (Unified Inch Screw Threads (UN/UNR))
(2)
Standard Specification for Nickel-Cobalt Alloy Coating
(1)
Standard Specification for Phosphate Oil and Phosphate Organic Corrosion Protection Coatings for Fasteners
(1)
Standard Specification for Pre-Treatments of Iron or Steel for Reducing Riskof Hydrogen Embrittlement
(1)
Standard Specification for Zinc Aluminum Corrosion Protection Coatings for Fasteners
(2)
Standard Specification for Zinc Coating (Hot Dip) on Steel
(1)
Standard Sulfuric Anodize (Dyed)
(14)
Standard Sulfuric Anodize (No Dye)
(14)
Standard Test Method for Abrasion Resistance of Organic Coatings by the Taber Abraser
(18)
Standard Test Method for Attribute Sampling of Metallic and Inorganic Coatings
(1)
Standard Test Method for Brinell Hardness of Metallic Materials
(69)
Standard Test Method for Film Hardness Test by Pencil Test
(1)
Standard Test Method for Measurement of Metal Coating Thickness by Microscopic Examination of Cross Section
(1)
Standard Test Method for Non-Destructive Measurement of Non-Magnetic Coatings
(1)
Standard Test Method for Process Control Verification to Prevent Hydrogen Embrittlement in Plated or Coated Fasteners
(1)
Standard Test Methods for Measuring Adhesion by Tape Test
(1)
Standard Test Methods for Rockwell Hardness of Metallic Materials
(262)
Standard specification for Quenched and Tempered Alloy Steel Bolts
(1)
Standards for Electropolishing Bioprocessing Equipment
(1)
Stantek Tin
(1)
Static Testing
(1)
Statistical Process Control of Designated Engineering Characteristics
(1)
Steel
(2)
Steel
(19)
Steel - Automated Gaseous Nitriding
(1)
Steel - Carbon and Low-Alloy < 220 ksi
(2)
Steel - Carburizing
(1)
Steel - Ion Nitriding
(2)
Steel - Low Alloy >220 ksi
(4)
Steel - Nitriding Low-Alloy
(1)
Steel - PH
(10)
Steel Bar Forgings and Rings 4130
(1)
Steel Bar Alloy Hard
(1)
Steel Bars Forgings Tubing 9310
(1)
Steel Bars Forgings and Rings 4140
(1)
Steel Bars Forgings and Tubing 4340
(1)
Steel Bars Forgings and Tubing Vac. Melt 4340
(1)
Steel Bars Forgings and Tubing 4330 Mod
(1)
Steel Bars Forgings and Tubing 4340
(1)
Steel Bars Forgings and Tubing 4340
(1)
Steel Bars Forgings and Tubing 52100
(1)
Steel Bars Forgings and Tubing Aircraft Quality 52100
(1)
Steel Bars Forgings and Tubing CBS-50NIL
(1)
Steel Bars Forgings and Tubing Vac Melt M-50
(1)
Steel Bars SAE 4130
(1)
Steel Bars Wire Forgings and Rings 17-4PH
(1)
Steel Bars Wire Forgings and Rings 21-6-9
(1)
Steel Bars Wire Forgings and Rings 30310
(1)
Steel Bars Wire Forgings and Rings 30316
(1)
Steel Bars Wire Forgings and Rings 30316L
(1)
Steel Bars Wire Forgings and Rings 30321
(1)
Steel Bars Wire Forgings and Rings 30347
(1)
Steel Bars Wire and Forgings 51416 51416Se
(1)
Steel Bars Wire and Forgings 51440C
(1)
Steel Bars and Forgings 8740
(1)
Steel Bars and Forgings Pyrowear Alloy 53
(1)
Steel Chem Milling
(2)
Steel Chrome Moly Bars and Reforging Stock 4130
(1)
Steel Corrosion & Heat Resistant
(1)
Steel Corrosion & Heat Resistant Bar Wire Forgings Tubing Rings 51410
(2)
Steel Corrosion & Heat Resistant Seamless Tubing 30316
(1)
Steel Corrosion & Heat Resistant Seamless Tubing 30347
(1)
Steel Corrosion & Heat Resistant Seamless Tubing 51410
(1)
Steel Corrosion & Heat Resistant Seamless tubing 21-6-9
(1)
Steel Corrosion & Heat Resistant Sheet & Plate A286
(1)
Steel Corrosion & Heat Resistant Sheet Strip and Plate 30321
(1)
Steel Corrosion & Heat Resistant Sheet Strip and Plate 30347
(1)
Steel Corrosion & Heat Resistant Smls & Weld Tube 30347
(1)
Steel Corrosion & Heat Resistant Tubing and Bar Greek Ascoloy
(1)
Steel Corrosion & Heat Resistant Weld. Tubing 30347
(1)
Steel Corrosion & Heat Resistant Welded Tubing 30310
(1)
Steel Corrosion & Heat Resistant Welded Tubing 30321
(1)
Steel Corrosion &Heat Resistant Bar Wire Forgings Tubing Rings A286
(1)
Steel Corrosion Resistant Bar Forgings Ext. PH 13-8Mo
(1)
Steel Corrosion Resistant Bar Forgings Tubing 30304
(1)
Steel Corrosion Resistant Bar & Wire 30303F
(1)
Steel Corrosion Resistant Bar and Wire 30302
(1)
Steel Corrosion Resistant Bars & Forgings 303MA
(1)
Steel Corrosion Resistant Bars Wire &Forging 30303 30303Mod 30303Se
(1)
Steel Corrosion Resistant Bars Wire Forgings Rings and Extrusions 15-5PH
(2)
Steel Corrosion Resistant Bars Wire Forgings Tubing & Rings 304L
(1)
Steel Corrosion Resistant Seamless Tubing 30304
(1)
Steel Corrosion Resistant Seamless Tubing 30321
(1)
Steel Corrosion Resistant Seamless or Weld Hydraulic Tubing SAE 30321
(1)
Steel Corrosion Resistant Seamless or Weld. Tubing SAE 30304
(1)
Steel Corrosion Resistant Seamless or Welded Hydraulic Tubing 304
(1)
Steel Corrosion Resistant Sheet & Strip 30301
(1)
Steel Corrosion Resistant Sheet Strip and Plate 15-5PH
(1)
Steel Corrosion Resistant Sheet Strip and Plate 30301
(1)
Steel Corrosion Resistant Weld. & Drawn or Seamless & Drawn Tube 21-6-9
(1)
Steel Corrosion Resistant Weld. Tubing 30304
(1)
Steel Corrosion and Heat resistant Investment Castings 347
(1)
Steel Forgings
(1)
Steel Heat Resistant Bars Forgings Tubing 17-22A
(1)
Steel Heat Treatment
(1)
Steel Heat Treatment - PH Stress & Embrittlement Only
(1)
Steel Heat Treatment - Quench and Temper Hardenable Stress & Embrittlement Only
(1)
Steel Mech. Tubing 4130
(1)
Steel Mech. Tubing 4140
(1)
Steel Nitriding Bars Forgings and Tubing 135 M0d
(1)
Steel Passivation
(3)
Steel Seamless Tubing 4130
(1)
Steel Seamless Tubing Norm. or Stress Rel. 4130
(1)
Steel Seamless or Weld. Hydraulic Tubing 30321
(1)
Steel Sheet Strip and Plate 4130
(1)
Steel Sheet Strip and Plate 17-4PH
(1)
Steel Sheet Strip and Plate 17-7PH
(1)
Steel Sheet Strip and Plate 30302
(1)
Steel Sheet Strip and Plate 30304
(1)
Steel Sheet Strip and Plate 30316
(1)
Steel Sheet Strip and Plate 30316L
(1)
Steel Sheet Strip and Plate 304L
(1)
Steel Sheet Strip and Plate 4340
(1)
Steel Shot peening
(1)
Steel Tubing Seam Free 4130
(1)
Steel Welded Tubing 17-7PH Corrosion & Heat Resistant Seamless Tubing 30310S
(1)
Steels
(2)
Storage of Time and Temp Sensitive Materials
(1)
Stress & Embrittlement Relief
(4)
Stress & Embrittlement Relief Baking
(1)
Stress Relief
(8)
Stress Relief &/Or Embrittlement Relief
(5)
Stress Relief Procedure - Titanium Alloys
(23)
Stress Relief and Baking Spec
(1)
Stress Relieve
(3)
Stress Relieving
(15)
Stress Relieving and Baking
(1)
Stress and Hydrogen Embrittlement Relieving of Steels
(1)
Strip Only
(1)
Striping of Zinc Plate
(1)
Stripping
(4)
Stripping (Anodize or Chromates)
(1)
Stripping Inorganic Finishes
(1)
Stripping Organic Finishes
(1)
Stripping Organic Materials
(1)
Stripping PF Plating
(1)
Stripping Process for Organic Finishes
(1)
Stripping of Coatings
(15)
Stripping of Inorganic Finishes
(1)
Stripping of Organic Materials
(1)
Stripping of Organic Paint
(1)
Stripping of Paints by Chemical Methods
(1)
Stripping of Protective Finishes
(1)
Structural Adhesive Bonding at Room Temperature
(1)
Structural Adhesive Bonding of Metal Assemblies
(3)
Structural Adhesive for Metal-to-Metal Assemblies - 350 F Cure (QPL)
(2)
Structural Adhesives for 180 F Service Applications (QPL)
(4)
Structural Adhesives for Composite Application -250 F Cure (QPL)
(4)
Structural Bonding - Elevated - Cryogenic Temperatures
(1)
Structural Bonding - High Strength - Metals - Nonmetallic (QPL)
(8)
Suface Preparation for the Application Of Adhesives, Coatings And Sealants
(1)
Sulfamate Ni for landing gear repair
(1)
Sulfamate Nickel
(2)
Sulfamate Nickel
(1)
Sulfamate Nickel Plating
(37)
Sulfamate Nickel Plating
(5)
Sulfamate Nickel Plating Electrodeposited
(1)
Sulfamate Nickel Plating old spec
(1)
Sulfamate Nickel Plating, Bright, Dull, Black Nickel, Semi-Bright
(1)
Sulfamate Nickel Plating, Type 1
(1)
Sulfamate Nickel Plating, Type I
(1)
Sulfuric Acid Anodic Films
(1)
Sulfuric Acid Anodize
(47)
Sulfuric Acid Anodize
(32)
Sulfuric Acid Anodize Alternative for Type I/IB
(5)
Sulfuric Acid Anodize Type II
(1)
Sulfuric Acid Anodize Type II (Approval Not Required for International Space Station (ISS) Houston Only)
(112)
Sulfuric Acid Anodize Undyed Coating
(2)
Sulfuric Acid Anodize, Type IC, Type II, Type III
(1)
Sulfuric Acid Anodize, Type II
(1)
Sulfuric Acid Anodize, Type II, Class 1
(1)
Sulfuric Acid Anodize, Type II, Class 2
(1)
Sulfuric Acid Anodize, Type II, Class I, Class II
(1)
Sulfuric Acid Anodize, Type III, Class 1
(1)
Sulfuric Acid Anodizing
(79)
Sulfuric Acid Anodizing - Controlled Thickness
(16)
Sulfuric Acid Anodizing - Thin Film
(11)
Sulfuric Acid Anodizing - Type II
(1)
Sulfuric Acid Anodizing Hard Coat
(1)
Sulfuric Acid Anodizing with Color - Type II
(1)
Sulfuric Acid, Type II
(2)
Sulfuric Aluminum Anodize
(1)
Sulfuric Aluminum Anodize, TYPE 2
(1)
Sulfuric Aluminum Anodize, TYPE 3
(1)
Sulfuric Anodize
(24)
Sulfuric Anodize
(3)
Sulfuric Anodize (**colors) Black(s), Blue, Red , Gold and Gray *Multiple Seals
(7)
Sulfuric Anodize (RoHS compliant)
(1)
Sulfuric Anodize (Teflon Impregnation)
(1)
Sulfuric Anodize, Type 2
(10)
Sulfuric Anodize, Type II
(1)
Sulfuric Anodizing
(1)
Sulphuric Acid Anodizing
(20)
Super Polishing C.A.S.E. Isotopic Super Finishing
(1)
Superplastic Forming Control of F-16 Parts
(1)
Superplastic Forming of 2004 Bare - Alclad Al Alloy Sh (QPL)
(1)
Superplastic Forming of Aluminum Alloys
(1)
Superplastic Forming of Titanium Alloy Sheet (QPL)
(9)
Supplementary Chemicals
(1)
Supplier Quality Assurance Program Requirements
(1)
Supplier Quality Assurance Program Requirments
(1)
Support Ring Repair and Recoat
(1)
Surface Cleaning of Titanium Alloy Springs
(1)
Surface Cleanliness of Fluid Systems - Specification for
(3)
Surface Coatings
(1)
Surface Hardening
(3)
Surface Preparation
(1)
Surface Preparation Prior to Application of Paints
(1)
Surface Preparation Processes
(1)
Surface Preparation for Adhesive Bonding
(1)
Surface Preparation of Commercially Pure Titanium and Titanium Alloys
(1)
Surface Preparation of Heat and CRES
(1)
Surface Preparation of Materials for Adhesive Bonding
(2)
Surface Preparation of Parts for Adhesive Bonding
(1)
Surface Protection of Metal Parts
(1)
Surface Texture (Surface Roughness
(1)
Surface Treatment and Inorganic Coatings For Metal Surfaces of Weapons Systems (Supporting S&C Reusable Space Systems - Huntington Beach CA Only)
(2)
Surface Treatment for Ferrous Alloys
(1)
Surface Treatment for Steel, Stainless Steel and Inconel
(1)
Surface Treatment of CRES
(1)
Surface Treatment of Corrosion- and HeatResisting Steel Allots
(1)
Surface Treatment of Ferrous Alloys
(1)
Surface Treatment of Metal Surfaces
(1)
Surface Treatment of Titanium
(1)
Surface Treatments for Magnesium
(1)
Surfaces Treatment & Inorganic Coatings for Metal Surfaces of Weapons
(1)
Surfacing Films for Composites (QPL)
(4)
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
0
1
2
3
4
5
6
7
8
9
