# Page 233–236 of 434

> **Source:** ASD-STE100 Issue 9, January 2025
> **Pages:** 233–236 of 434

# Page 233 of 434

| Word (POS) | Approved meaning / ALTERNATIVES | STE example | Non-STE example |
|------------|--------------------------------|-------------|-----------------|
| EXPAND (v), EXPANDS, EXPANDED, EXPANDED | To increase in dimension, volume, or time | THE BELLOWS MUST EXPAND. HEAT EXPANDS THE GAS IN THE CONTAINER. | |
| expect (v) — UNNAPPROVED | POSSIBLE (adj) | IF IT IS POSSIBLE THAT THE TEMPERATURE WILL DECREASE TO -20 DEGREES C, REMOVE THE BATTERIES. | If temperature is expected to drop to -20 degrees C, remove the batteries. |
| expel (v) — UNNAPPROVED | REMOVE (v) | REMOVE THE AIR BUBBLES FROM THE COMPOUND WITH A SPATULA. | Expel the air bubbles from the compound with a spatula. |
| expel (v) — UNNAPPROVED | BLEED (v) | BLEED ALL NITROGEN FROM THE SYSTEM. | |
| expel (v) — UNNAPPROVED | RELEASE (v) | RELEASE ALL NITROGEN. | Expel all nitrogen. |
| EXPIRED (adj) | More than the permitted life | MAKE SURE THAT THE SHELF LIFE IS NOT EXPIRED. | |
| explain (v) — UNNAPPROVED | TELL (v) | THE TECHNICIAN WILL TELL THE OPERATOR THE PROCEDURE FOR SENSOR CALIBRATION. | The technician will explain the sensor calibration procedure to the operator. |
| EXPLOSION (n) | The effect when an explosive material quickly releases its energy | THIS CONDITION CAN CAUSE AN EXPLOSION. | |
| EXPLOSIVE (adj) | That can cause an explosion | THE SAFETY PRECAUTIONS THAT FOLLOW ARE APPLICABLE TO EXPLOSIVE ITEMS. | |

# Page 234 of 434

| Word (POS) | Approved meaning / ALTERNATIVES | STE example | Non-STE example |
|------------|--------------------------------|-------------|-----------------|
| expose (v) — UNNAPPROVED | GET (v) | REMOVE THE COVER ASSEMBLY TO GET ACCESS TO THE LAMP ASSEMBLY. | Remove cover assembly to expose lamp assembly. |
| EXTEND (v), EXTENDS, EXTENDED, EXTENDED | To increase, or cause something to increase, in dimension or range | FULLY EXTEND THE JACK RAM. MAKE SURE THAT THE RODS EXTEND AND RETRACT. | |
| EXTENSION (n) | 1. The action when something extends | MAKE SURE THAT THE EXTENSION OF THE ACTUATOR IS SMOOTH. | |
| EXTENSION (n) | 2. The result when something extends | THE TOTAL EXTENSION OF THE PISTON IS 125 mm. | |
| extent (n) — UNNAPPROVED | DEPTH (n) | MEASURE THE DEPTH OF THE CRACK. | Measure the extent of the crack. |
| extent (n) — UNNAPPROVED | LENGTH (n) | MEASURE THE LENGTH OF THE CRACK. | Measure the extent of the crack. |
| extent (n) — UNNAPPROVED | WIDTH (n) | MEASURE THE WIDTH OF THE CRACK. | Measure the extent of the crack. |
| exterior (n) — UNNAPPROVED | EXTERNAL (adj) | EXAMINE THE EXTERNAL SURFACE OF THE CONTAINER. | Examine the exterior of the container. |
| EXTERNAL (adj) | Of, or on, the outer side | CONNECT THE EXTERNAL POWER SUPPLY. | |
| EXTERNALLY (adv) | Of, or on, the outer side | THE CONTROL BOX IS INSTALLED EXTERNALLY. | |

# Page 235 of 434

| Word (POS) | Approved meaning / ALTERNATIVES | STE example | Non-STE example |
|------------|--------------------------------|-------------|-----------------|
| EXTINGUISH (v), EXTINGUISHES, EXTINGUISHED, EXTINGUISHED | To stop burning | TO EXTINGUISH A FIRE IN THE ENGINE, ACTIVATE THE FIRE SUPPRESSION SYSTEM IMMEDIATELY. | |
| EXTINGUISH (v), EXTINGUISHES, EXTINGUISHED, EXTINGUISHED | For lights or lamps, use: | WHEN THE FLAME EXTINGUISHES, STOP THE FUEL SUPPLY. | |
| EXTINGUISH (v), EXTINGUISHES, EXTINGUISHED, EXTINGUISHED | GO OFF | THE "AUTO BRK" PUSHBUTTON LIGHT GOES OFF. | The AUTO BRK pushbutton light extinguishes. |
| EXTINGUISH (v), EXTINGUISHES, EXTINGUISHED, EXTINGUISHED | BE OFF | MAKE SURE THAT THE GREEN LIGHT ON THE PANEL IS OFF. | Make sure that the green light on the panel extinguishes. |
| extra (adj) — UNNAPPROVED | MORE (adj) | THIS MATERIAL GIVES MORE PROTECTION. | This material provides extra protection. |
| extract (v) — UNNAPPROVED | REMOVE (v) | REMOVE THE BOLT. | Extract the bolt. |
| extreme (adj) — UNNAPPROVED | VERY HIGH (adj) | DO NOT APPLY VERY HIGH LOADS. | Do not apply extreme loads. |
| extreme (adj) — UNNAPPROVED | VERY BAD (adj) | WHEN THE WEATHER IS VERY BAD, KEEP THESE PARTS IN A DRY AREA. | In extreme weather conditions, keep these parts in a dry area. |
| extreme (adj) — UNNAPPROVED | VERY COLD (adj) | MAKE SURE THAT YOU KNOW THE RISKS RELATED TO VERY COLD TEMPERATURES. | Make sure that you know the risks related to extreme cold temperatures. |
| extreme (adj) — UNNAPPROVED | VERY HOT (adj) | MAKE SURE THAT YOU KNOW THE RISKS RELATED TO VERY HOT TEMPERATURES. | Make sure that you know the risks related to extreme hot temperatures. |
| extremely (adv) — UNNAPPROVED | VERY (adv) | IT IS VERY IMPORTANT TO OBEY THE SAFETY PRECAUTIONS. | It is extremely important to observe the safety precautions. |
| exude (v) — UNNAPPROVED | OUT OF (prep) | MAKE SURE THAT GREASE COMES OUT OF THE JOINT. | Make sure grease exudes from the joint. |

# Page 236 of 434

| Word (POS) | Approved meaning / ALTERNATIVES | STE example | Non-STE example |
|------------|--------------------------------|-------------|-----------------|
| fabricate (v) — UNNAPPROVED | MAKE (v) | USE COPPER TO MAKE THE CHILL BLOCK. | Use copper to fabricate the chill block. |
| FACE (n) | The front surface of an object | CLEAN THE FACE OF THE INDICATOR. | |
| FACE (n) | This word is a technical noun when it refers to a part of the body. | WHEN YOU DO MAINTENANCE ON THE WASTE WATER SYSTEM, DO NOT TOUCH YOUR FACE WITH YOUR GLOVES. | |
| face (v) — UNNAPPROVED | POINT (v) | WHEN YOU INSTALL THE PITOT HEAD, MAKE SURE THAT THE OPENING POINTS FORWARD. | When installing the pitot head, make sure that the opening is facing forward. |
| face (v) — UNNAPPROVED | TURN (v) | BEFORE YOU PUSH THE VALVE STEM DOWN, TURN YOUR FACE AWAY FROM THE DRAIN VALVE. | Face away from the drain valve when pushing the valve stem down. |
| facilitate (v) — UNNAPPROVED | HELP (v) | IDENTIFY THE COMPONENT WITH A CODE TO HELP YOU TO CORRECTLY INSTALL IT AGAIN. | Mark the component with a code that will facilitate its correct reinstallation. |
| facilitate (v) — UNNAPPROVED | MAKE … EASIER | THIS MAKES FAULT ISOLATION EASIER. | This facilitates fault isolation. |
| facility (n) — UNNAPPROVED | Be accurate. Use the name of the facility as a technical noun. | WEIGH THE AIRCRAFT ON A WEIGHBRIDGE. | You need a special facility to weigh the aircraft. |
| FACT (n) | Something that occurred or is correct | GET ALL THE FACTS ABOUT THE INCIDENT FROM THE PILOT. | |
| factor (n) — UNNAPPROVED | CAUSE (n) | THERE CAN BE MANY CAUSES FOR CORROSION. | Corrosion can be caused by several factors. |
