Je was op zoek naar: plaster (Frans - Spaans)

he held out his hand as he spoke, and i noticed that it was all mottled over with similar pieces of plaster, and discoloured with strong acids.
al tiempo que hablaba alargó la mano, y eché de ver que la tenía moteada de parches similares y descolorida por el efecto de ácidos fuertes.

my glass allowed me to observe that the plaster was slightly scratched in doing it, which would not have been the case if the man's nail had been trimmed.
a través de la lupa acerté a observar que el estuco se hallaba algo rayado, prueba de que la uña no había sido recortada.

a vulgar flaring paper adorned the walls, but it was blotched in places with mildew, and here and there great strips had become detached and hung down, exposing the yellow plaster beneath.
un papel vulgar y chillón ornaba los tabiques, enmohecido a trechos y deteriorado de manera que las tiras desgarradas y colgantes dejaban de vez en cuando al desnudo el rancio yeso subyacente.

"very interesting reading it might be made, too," remarked sherlock holmes, sticking a small piece of plaster over the prick on his finger.
––no sería ningún disparate ––repuso sherlock holmes poniendo un pedacito de parche sobre el pinchazo––.

plaste
plasto