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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Radio Shack HFC-134a, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Radio Shack HFC-134a one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Radio Shack HFC-134a. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Radio Shack HFC-134a should contain:
- informations concerning technical data of Radio Shack HFC-134a
- name of the manufacturer and a year of construction of the Radio Shack HFC-134a item
- rules of operation, control and maintenance of the Radio Shack HFC-134a item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Radio Shack HFC-134a alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Radio Shack HFC-134a, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Radio Shack service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Radio Shack HFC-134a.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Radio Shack HFC-134a item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
MATERIAL SAFETY DATA SHEET 1. PRODUCT AND COMPANY ID ENTIFICATION PRODUCT NAME: Radio Shack Component Cooler PRODUCT DESCRIPTION: HFC-134a PRODUCT CODE: 64-4321 Component Cooler Radio Shack CHEMICAL FAMILY: Hydrofluorocarbons 2. COMPOSITION / INFORMATION ON INGREDIENTS EEC LABEL SYMBOL AND CLASSIFICATION Currently not clas sified according to EEC D[...]
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Page 2
NOTES TO PHYSICIAN: Because of the possible disturbances of cardiac rhythm, catecholamine dr ugs, such as epinephrine, should be used with special caution and only in situ ations of emergency life s upport. Treatment of overexposure should be directed at the control of symptoms and the clinical conditions. 5. FIRE FIGHTING MEASURES FLASHPOINT AND M[...]
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Page 3
9. PHYSICAL AND CHEMIC AL PROPERTIES PHYSICAL STATE: Gas ODOR: Faint ethereal odor pH: Neutral PERCENT VOLATILE: 100 at 20°C (68°F) VAPOR PRESSURE: 85.8 psi at 21.1°C (70°F) VAPOR DENSITY: 3.5 (Air=1) BOILING POINT: -26.2°C (-15.1°F) FREEZING POINT: -101°C (-149.8°F) SOLUBILITY IN WATER: Negligible EVAPORATION RATE: >1 (CCL4=1) SPECIFIC [...]
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Page 4
AIR (ICAO/IA TA) PROPER SHIPPI NG NA ME : CONSUMER COMMODITY ID8000 PRIMARY HAZARD CLASS/DIV ISION: 9 UN/NA NUMBER: ID8000 VESSEL (IMO/IMDG) PROPER SHIPPI NG NA ME : AEROSOLS IN LIMITED QUANTITIES OF CLASS 2 PRIMARY HAZARD CLASS/DIV ISION: 2.2 UN/NA NUMBER: UN1950 EUROPEAN TRANSPORTATION: ADR/RID HAZARD CLASSIFICA TION: 2.2 ADR/RID ITEM NUMBER: UN1[...]