안전놀이터

The bark is cut from stopper oaks in boards utilizing tomahawks like clockwork, however it can require 25 years before a tree is sufficiently developed to be reaped (Credit: Alastair Leithead) 안전놀이터

Freitas, be that as it may, can choose the stopper of greatest instinctively, on account of many years of involvement. He realizes which boards will be squashed and composited to make protection, which will be ideal for the circles that make up the mushroom-molded champagne stops, and which will be appropriate for fixing the world's best wines.

Freitas has seen many changes throughout the long term: gifted laborers are turning out to be scant as the field populace has purged into towns and new innovation has shown up. Be that as it may, the wages of stopper cutters stay high. "It's the best paid work in farming and timberlands in Portugal," says João Sobral, a stopper purchaser. "A decent shaper is a person who doesn't hurt a tree, who separates the most stopper with the least cuts and takes a ton of plug in a day."

New innovation as a little brilliant trimming tool is beginning to assist with the deficiency in gifted laborers. The saw has dampness sensors which just permit the edge to cut the drier plug bark and not to arrive at the living tree. Then the men with tomahawks move in and can eliminate the boards all the more rapidly and proficiently. "It's actually work underway," says Sobral, "This isn't its finish. This is as yet a model for us."

Also, there have been different leap forwards as of late as well. Man-made brainpower, joined with new innovations rising up out of materials science, likewise assume a significant part on the creation lines and plant floors of a rambling modern complex only south of Porto.

"Here we make the extremely top of the line regular entire stops," says Carlos de Jesus, the head of advertising and correspondences for Amorim Plug. "We're seeing those portions of the absolute best plug boards, and we are taking a gander at a progression of barrel shaped openings punched evenly, never in an upward direction, yet on a level plane along the stopper board."

These have the most elevated esteem, however the off-cuts and more unfortunate nature of plug boards are likewise granulated and compacted to make less expensive plugs and an entire scope of different items.

One of the stopper business' greatest moves has been to handle concerns encompassing plug corrupt in wine. This happens when organisms fill in minute airspaces inside the stopper and produce an innocuous however terrible tasting synthetic called trichloroanisole. On the off chance that the trichloroanisole gathers in the stopper, it can sully the wine in a container and give it an unmistakable stale smelling "plugged" taste.

The growths create this compound from natural foreign substances known as chlorophenols - which in the past have been utilized in biocides used to control bothers. Endeavors to cut their utilization have helped, however chlorophenols have likewise more as of late been found to happen because of a response between normally happening phenol and chlorine from cleaning and disinfection items that break into the climate in squander water.

This has lead plug makers to foster superior strategies for testing for trichloroanisole. Treating plug with supercritical liquid innovation - a similar strategy utilized for decaffeination - cleans stops of pollution and has helped trust in normal plugs.

However, the stopper business has additionally been looking for alternate ways of utilizing the material, which would then have thump on impacts for the environment by permitting plug backwoods to increment in size and thrive.

Plug has numerous valuable properties: it's a light, solid, impermeable, versatile, compressible and heat proof material which can be involved by the development business for warm or acoustic protection and for retaining vibrations. It's additionally used to make noticeboards and decorations, shoes, ground surface and protection.

However it is finding perpetually imaginative purposes, for example, a base for counterfeit games field turf as an option in contrast to engineered fillings. It can likewise be packed into shock-engrossing blocks and development joints for substantial scaffolds.