My week

My week was very bored boring.

in This week I worked a lot. In my work I am a supervisor of technics technical supervisor. Therefore, I work in locco where machines are installed. 

In This week I bougth bought tickets, reservs of reserved a hostel and I created various certificates of calibration.
In This Saturday I gone went to an English course. Afterwards, I gone went to a clinic laboratory with my wife because she's pregnant.
When we arrived at home, we slepty for 2 hours. After we wake-up woke up, I cooked the dinner. Now, I am drinking a beer and writing about my day.

My week was very bored boring.

in this week I worked a lot.

I worked a lot this week. (Or, I worked hard this week.)

In my work I am a supervisor of technics (?) therefore work in locco where machines are instaled.

(Not entirely sure of what you mean by tecnics...)

I supervise technicians, and I work in locations where machines are installed.

(You should only use therefore in this sentence if the 2nd half of the sentence is due to the 1st half... I write software, therefore I work on a computer all day.)

(Maybe something like this:)

I supervise technicians, therefore I work at client sites where the technicians are installing machinery.

In this week I bougth tickets, reservs of hostel (?) and I create various certificates of calibration.

This week I bought tickets, made hotel reservations, and created several certificates of calibration.

In this saturday I gone to english course, after I gone to a clinic laboratory with my wife, because she's pregnant.

This Saturday I went to English class after I went to a clinic with my wife (because she is pregnant).

When we arrived at home, we slepty for 2 hours.

After wake-up I cooked the dinner.

After we woke up I cooked dinner.

Now, I am drinking a beer and writing about my day.

(Good job!)