An user Portuguese
says…

É
Auxiliary
  necessário
Adjective
  que
Subordinating conjunction
  noventa
90
Numeral
  por cento
  dessas
  lâmpadas
Noun
  fluorescentes
Adjective
  atendam
Verb
  a
Adposition
  esse
Determiner
  critério
Noun
.

Ninety percent of these fluorescent lamps are required to meet this criterion.
Words and sentences
90
New
noventa

New
dessas

Contraction of de essas (“of/from those (feminine, near you)”): feminine plural of desse

New
lâmpadas

plural of lâmpada

New
fluorescentes

plural of fluorescente

New
atendam

  1. inflection of atender: ## third-person plural present subjunctive ## third-person plural imperative
  2. inflection of atender: ## third-person plural present subjunctive ## third-person plural imperative
  3. third-person plural present indicative of atendar

New
a

New
esse

New
critério

  1. criterion
  2. discretion

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