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Sunday, March 11, 2018

៥ ចំណុចដែលម្ចាស់យានយន្តគ្រប់រូបគួរមិនរំលងពីឧបករណ៍ECO-PLASMA

៥ ចំណុចដែលម្ចាស់យានយន្តគ្រប់រូបគួរមិនរំលងពីឧបករណ៍ECO-PLASMA

សព្វ​ថ្ងៃ​នេះ​គ្រប់​បណ្តា​ប្រទេស​លើ​សកលលោក​ ​កំពុង​យក​ចិត្ត​ទុក​ដាក់​យ៉ាង​​ខ្លាំងក្លា​​ទៅលើ បញ្ហាផ្សែង​ពុល​ដែលបណ្តាល​មក​​ពី​​ សកម្មភាពផ្សេងៗរបស់មនុស្ស ជាពិសេសផ្សែង​ពុល​ដែល​ចេញ​ពីយានយន្ត។  ​បញ្ហា​ផ្សែង​ពុល​ដែល​ចេញ​ពីយានយន្តនេះ​ ត្រូវបាន​ក្រុមហ៊ុនផ្សេងៗ លើពិភពលោកខិតខំស្រាវជ្រាវ និង ផលិតឧបករណ៍​ដើម្បីយកមកបំពាក់លើ​យានយន្ត និងម៉ាស៊ីនផ្សេងៗ​ គ្រប់ធុន។

ក្នុង​នោះមាន​ក្រុមហ៊ុនកូរ៉េ​មួយ​ឈ្មោះ Korea Rare Metal​ Co., Ltd បានធ្វើការសិក្សាស្រាវជ្រាវ ផលិត​ឧបករណ៍ ECO-PLASMAនិង ធ្វើការពិសោធ​ជា​ច្រើន​ដង​ អស់​រយៈពេល ១៧ឆ្នាំ​។ គូសបញ្ជាក់ផងដែរ ឧបករណ៍ ECO-PLASMA ត្រូវទទួលស្គាល់ដោយ ISO 9001 និង ISO 14001 ព្រោះឧបករណ៍ ECO-PLASMA នេះបានរួមចំនែក​ជួយដល់បរិស្ថាននៃភពផែនដីឲ្យមាន​ភាពស្រស់បំព្រង។

ឥឡូវនេះ Korea Rare Metal​ Co., Ltd បានបង្កើន​ក្រុមហ៊ុន​សាខា​​នៅ​ក្នុងប្រទេសកម្ពុជា​ ដែលមានឈ្មោះថា CAMKRM Co., Ltd. 
អត្ថប្រយោជន៍នៃឧបករណ៍​នេះគឺ៖

១. កាត់បន្ថយផ្សែងខ្មៅដែលចេញពីម៉ាស៊ីន ជួយដល់បរិស្ថាន
ផ្សែងខ្មៅដែល​ចេញពីយានយន្ត បានធ្វើឲ្យប៉ះពាល់ដល់ជីវិតមនុស្ស និងបរិស្ថានយ៉ាងខ្លាំង​។​ ប៉ុន្តែនៅពេលដែលយានយន្តនោះ​បានបំពាក់ ECO-PLASMA នេះហើយ ផ្សែងត្រូវបានកាត់បន្ថយស្ទើតែលែងមាន។

២. បង្កើនសន្ទុះ​យានយន្ត​ឲ្យស្ទុះ​ខ្លាំង
យានយន្ត​គ្រប់ប្រភេទ​តែងតែ​​ស្ទុក ព្រោះតែប្រេងដែលប្រើប្រាស់នោះ​មិនបានធ្វើ​ឲ្យមានចំហេះខ្លាំង បណ្តាល​ឲ្យកម្លាំងម៉ាស៊ីន​ខ្សោយ។ នៅពេលបំពាក់ ECO-PLASMA ចូលទៅ កម្លាំងម៉ាស៊ីន​កើនសន្ទុះ​ខ្លាំង។

៣. ម៉ាស៊ីនដំណើរការ​ធូរស្ងប់ល្អ
ជាទូទៅយានយន្ត​នៅពេលយើង​ធ្វើការជុំម៉ាស៊ីន​ និងការបញ្ឆេះ វាមានការរអាក់រអួល​ ស្លុកៗ តែនៅពេលបំពាក់ ECO-PLASMA​ ចូលទៅ​ហើយ ការជុំម៉ាស៊ីន​ និងការបញ្ឆេះ វាមានដំណើរការល្អ។

៤. កាតបន្ថយ​រំញ័រ​របស់ម៉ាស៊ីន​
យានយន្តនៅពេល​យើងបញ្ឆេះ ឬដំណើរ​ម៉ាស៊ីន វាតែងតែញ័រទាំងតួឡាន ទាំងម៉ាស៊ីន តែនៅពេលបំពាក់ ECO-PLASMA​ ចូលទៅ​ហើយ ម៉ាស៊ីនដំណើរការ​ស្ងាត់ បាត់ញ័រ បាត់កន្ត្រាក់។

៥. អត្ថប្រយោជន៍​បន្ថែម​ ជួយកាត់​បន្ថយ​ការប្រើប្រាស់​សាំងម៉ាស៊ូត​
យានយន្តដែលស៊ីប្រេងច្រើន វាបណ្តាលមកពីយានយន្ត​នោះ​ប្រើប្រាស់ប្រេង​​មិនសុទ្ធ (ប្រេងសព្វថ្ងៃមានម៉ូលេគុលមិនសុទ្ធ) ជាហេតុធ្វើឲ្យមានចំហេះមិនសព្វ​ ប៉ុន្តែ​ពេលបំពាក់ ECO-PLASMA​ ហើយ  វាធ្វើឲ្យមានចំហេះសព្វ​​ ដូច្នេះ កាលណាចំហេះសព្វ ម៉ាស៊ីនស្ទុះខ្លាំង ការប្រើប្រេងត្រូវ​បានកាត់បន្ថយ។













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- ផ្ទះលេខ ១៩ ផ្លូវលេខ ៣៣៤ សង្កាត់បឹងកេងកង ១ ខណ្ខចំការមន ភ្នំពេញ
- 023-22-17-29/ hotline: 023-22-82-82
- Email: ecocamkrmcompany@gmail.com

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Thursday, March 8, 2018

There is/are

GRAMMAR , HOME
There is/are


1. Structures
(singular)
(plural)
 
1.1. Positive
 There
is
a table.
are
two books.

There is + singular nouns /uncountable nouns

There are + plural nouns /countable nouns
(singular)
(plural)
 
1.2. Negative
 There
isn’t (is not)
an armchair.
aren’t ( are not)
any flowers.

There is + not + singular nouns /uncountable nouns

There are + not + plural nouns /countable nouns
(singular)
(plural)
 
1.3. Question
Is
there
a sofa in your house?
Are
curtains in your room?

Is + there + singular nouns /uncountable nouns?

Are + there + plural nouns /countable nouns?

                                                                      
Short answers
Is there some water in your bottle?

Yes, there is. or No, there isn't.  
Yes, there are.
No, there aren’t.
 
    a
2. Usage
2.1. We use There is/There are to describe:
2.1.1. Something that exists or doesn't exist.
   1. There is a picture of using materials in the house on page 54 of main book.
   2. There aren’t any exercises on page 40 of extra book.
   3. There is a board in in room A01.
   4. There are four lamps in room A01.
2.1.2. Something that happens or numbers or amounts by using Time Expressions.
   1. There is a concert tonight.
   2. There is a disco tomorrow.
   3. There are three performers on the stage tonight.
   4. There are five guests come round our house next week.
   5. There was a lot of rain last night.
   6. There are two ways of doing this.

By Toem Vath
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Prepositions of Place

GRAMMAR , HOME
Prepositions of Place



1. Definition
Prepositions are words normally placed before nouns or pronouns. Prepositions are used to show the relationship between its object and other words in the sentence.
2. Condition of using
2.1. On is used for things on the surface or side of something and with islands.
1. The cat is on the table.
2. Do you see Jane? Oh! He is on the bed.
3. Doky is sitting on the motorbike.

Note: We generally use On for trains, buses, ships, and planes.
1. John is on the bus.
2. I met an old friend on the train.

2.2. In is used for things enclosed in something. We use In with towns and countries.
1. I am in Phnom Penh city now.
2. Sok is in the water with Sao.
3. Jane is in Paris.
4. Mice is in the hole.
Note: We generally use In for cars.
1. Do you see John? He is in the car.
2. Mary isn’t in her car now.

2.3. Behind is used for things at or toward the back of something/somebody.
1. The board is behind me.
2. The door is behind all of you.
3. Sreynich is behind Sopheak.
4. They are behind us.

2.4. Under is used for things are covered by something/somebody (below)
1. Please look it up under a pile of books.
2. Children under five are admitted free.
3. We are sitting under the tree.
4. You are sitting on the table and under the roof.




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Pronouns

GRAMMAR , HOME
Pronouns

A pronoun is a word used instead of a noun to indicate someone or something already mentioned or known. There are five forms of pronouns in English; subject pronouns, complement pronouns (object pronouns), possessive pronouns, possessive adjectives, and reflexive pronouns.

1. Subject pronouns
     Subject pronouns are used as subjects of sentences.

I                                            we
you                                       you
            he
she                                        they
             it
Example
1. He drives his car to work.
2. It is Sreynich who is a clever student in this class.
3. You students have to try hard to study.
4. You and I are in the same boat.

2. Complement pronouns (object pronouns)
Object pronouns are used as the complement position, whether they complement a verb or a preposition.

me                                          us 
you                                       you
             him 
her                                    them
              it
Example
1. I know him well.
2. He talks to me every day.
3. I love her very much.
4. Sok and Sao are good son in his family.
5. Sery will give them a gift​​.

3. Possessive adjectives
Possessive adjectives are used to indicate ownership. They are followed immediately by a noun, they do not stand alone.

my                                             our
your                                         your
          his
her                                           their
           its
Example
1. I am teaching my students now.
2. This is your red pen.
3. Sok always goes out at night with Som’s girlfriend.
4. Its meaning is Crazy.

Note: Possessive adjectives + noun

4. Possessive pronouns
Possessive pronouns are used to indicate the noun that is understood from the context and is not repeated.

mine                                        ours
yours                                      yours
          his
hers                                       theirs
           its
Example
1. I went to Paris with two friends of mine.
2. Whose is it? - It is mime.
3. Our book are very expensive. (Ours are very expensive.)
4. Your looks is beautiful as hers.
Note: mime = my + noun; for example, my book ; Yours = your + noun; for example, your pen

5. Reflexive pronouns
Reflexive pronouns are used when both subject and complement refer to the same person or thing, especially they are the object of preposition.

myself                               ourselves
yourself                           yourselves
         himself
herself                            themselves
         itself
Example
1. You have to do it by yourself.
2. I want to do it by myself.
3. You can see the difference for yourselves.
4. I myself believe that you know what I explained.


Note: In the plural, the self  changes to selves.



Reference 
1.  Michael A. Pyle M.A/Jerry Bobrow, Ph.D./Mary Ellen Munoz Page M.A,"TOETL", year 2001-2002, 704 pages. 

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