بوكا يوكي الياباني (Poka-yoke ) من أهم الطرق المندرجة تحت الضوابط الهندسية للسيطرة على المخاطر، وتستخدم هذه الطريقة بمجال الصناعة.
تطبيق بوكا يوكي في هندسة السلامة:
الخطر: ضرب بالباب عند فتحه
تطبق الطريقة: فتح الباب بطريقة واحدة أما بالسحب او الدفع.
الخطر: اصطدام المركبة بالأشياء التي امامها عند تشغيلها
تطبق الطريقة: تشغيل السيارة عندما يكون القير الاوتوماتيك بوضع P او عند دعس على دعسة الفرامل عند التشغيل.
Micro-wave oven does not work until the door is shut
-Washing machines only start when the door is closed and cannot be opened until the cycle is over
-Electric plugs have an
earth pin that is longer than the other pins and is the first to make
contact with the socket. The protective shield of the neutral and earth
sockets are then opened safely
-Electric sockets are
shaped in a manner that only one way of plugging-in is possible. This
prevents the possibility of a short-circuit occurring
-Child resistant tops for medicines and household chemicals makes it difficult for children to consumer the contents
-Elevator doors have a
sensor that causes them to open when there is an obstruction-this
prevents injury to someone trying to enter as the doors are closing.
-Box cutters have a retractable blade that only pops out when the handle is held
-Lawn mowers have a safety bar on the handle that when released, switches off the machine
-Circuit breakers in the home electrical system prevent electrical overloads
-Overflow outlets in bathroom and kitchen sinks prevent flooding of the house when the drain is blocked
-Door of washing machine dryer stops when the door is open so as to prevent injury from accidents
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