丙化（丙種化学）液石　お役立ち受験問題集

Challenge Is to qualification of Hei species chemical (Heika) liquid stone?

Qualification of Hei species chemistry, the LP gas filling plant and auto-gas station

The workers, is the qualification that you want to get.

In this app, with a focus on qualification of Hei species chemical

App.

Anyway, by repeating the problem, that remember the answer

Study method Roh square second blade with hand Come bets made hand have increased.

H22 ~ H27_nenmadenomondaikara, a high question frequency problem

Select, 3-option, 4-option, so we question by changing the ○ ☓ type and method,

Without getting tired, it was created to learn.

Since the application of, during the movement of the train, such as the interval of the lunch break,

It is possible to easily, you can study when you came up with.

Now, are you do you solve this problem?

"Combustible gas by the gas is combustible, combustion-supporting gas,

It may be divided into non-flammable gas "○ whether ☓?

The answer can be found in this app.

So is free, for now, download

Please try to challenge.

Chinami, I'm getting a qualification is a creator.

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