The charts below show the changes in ownership of electrical appliances and amount of time spent doing housework in households in one country between 1920 and 2019.

The line graphs

demontrate

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demonstrate

the variation

the

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in the

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quantity of electrical household

devices

and

amount

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the amount

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of spent

time

for

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on

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housework in one country during one century(1920-2019).

Overall

, in the first diagram, there are 3 different

devices

, namely vacuum

cleanerm

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cleaner

cleaners

washing machine and refrigerator. The amount

all

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apply

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of

them

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apply

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this

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this device

these devices

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devices

increased in showed period(1920-2019),

nevertheless

the number of

hours

of housework per week decreased that

time

.

Initially

, the refrigerator`s changes seem different from others. In 1920 there

are

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were

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very few people

to use

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using

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this

intrument

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instrument

,

however

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however,

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there was a sharp increase from 1920 to 1980 and

this

instrument reached 100

percentage

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per cent

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in 1980. After 1980 there was not any change for

this

device. The washing machine started

40

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at 40

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% in 1920,

after

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and after

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20 years it was 60%.

Then

this

device`s use

percentage

grew

up

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by

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70%

untill

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until

1960, but

since

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from

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1960 to 1980 decreased to approximately 65%. After

that

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that,

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we can see increase

dynamics

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in dynamics

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again

untill

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until

2019 and

percentage

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the percentage

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grew up from 65 to 75.

Secondly

, the vacuum cleaner shows

steady

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a steady

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increase dynamic from 1920 to 2000,

respectivly

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respectively

the use

percentage

rose from 30 to 100 and

then

remaining

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remained

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stable. The

time

for using these

devices

started

50

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at 50

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hours

per week in 1920

,

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apply

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after

Correct word choice

and after

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40 years decreased

20

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by 20

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hours

. After

that

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that,

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the

time

spent slightly decreased again and

drop

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dropped

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off

10

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by 10

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hours

per week end of the period.