Side-by-side or overlay PDF diff driven by one engine that reads each file into a structured model — text, vector geometry, images, form fields, annotations — and compares the models. Moves show as moves, edits show only where they happened, and any PDF type works without picking a mode.
Open a STEP / STP part and it measures itself — volume, thinnest wall, draft and undercut checks on load, plus hole detection with a BOM. Measure, section, export STL. Rust + WASM B-rep kernel, runs in your browser.
Plaa-jorm is small freshwater fish, or koong-jorm small shrimp, mixed with salt, ground roasted rice and garlic and left closed for a few days until sour. The Thai community product standard asks for 5–10 % salt and a pH no higher than 4.6, and its example of label advice is to cook it before eating.
Fully documentedFish and seafood3 days – 5 days
Recipe
Amounts from a sourceThe JIRCAS database method, by weight. The national community product standard sets the limits the finished product must meet.
Small fish or shrimp10 parts by weight
Fish are gutted and washed; shrimp are only washed[jircas]
Total time across the recorded steps: 3 days – 5 days
Start
Drag the bar or press Play
What changes:The small fish are gutted and washed
Step 1 of 4
Gut and wash the fish (shrimp washed only)
Time
Not documented
Temperature
Not documented
Salt
None given
Acidity
Not documented
Which microbes the steps name, step by step
Pediococcus halophilus
Lactobacillus farciminis
L. plantarum
Lactococcus lactis
Flavour
Not documented
Texture
Not documented
Colour
Not documented
Microbes at work in this step
Not documented for this step.
Method
Measured measured in a studySet fixed by a specification or tested recipeReported one source reports itTypical a general value, not sourced for this fermentUnconfirmed not yet checked against a source
At a glance
Plaa-jorm is small freshwater fish, or koong-jorm small shrimp, mixed with salt, ground roasted rice and garlic and left closed for a few days until sour. The Thai community product standard asks for 5–10 % salt and a pH no higher than 4.6, and its example of label advice is to cook it before eating. Made in 4 steps over 3 days – 5 days. The longest step, pack, close and ferment at room temperature, takes 3–5 days (JIRCAS 1995). Salt is 5–10 % (Thai Industrial Standards Institute 2005). Pediococcus halophilus (now Tetragenococcus halophilus), Lactobacillus farciminis, L. pentosus, L. plantarum, Lactococcus lactis does most of the fermenting.
Plaa-jorm uses whole tiny fish or shrimp and ferments for only a few days, while plaa-ra ferments for months. Roasted rice and garlic go in at the start.
The Thai community product standard (TCPS 723-2548) requires pH 4.6 or lower, 5–10 % salt, no Salmonella in 25 g, no more than 100 S. aureus per g, no parasites and no preservatives or colours, and its example of label advice is to cook it before eating. JIRCAS lists a storage life of 2 weeks with no temperature; that is not a safety limit. WHO names fermented fish among foods that have carried botulinum toxin. This mix stays closed at room temperature with about 7 % salt (computed from the JIRCAS recipe, 1 part salt in 14.4 by weight) until the rice sours. C. botulinum can grow until the pH falls below 4.6, acid does not remove toxin already formed, and the FDA says not to rely on boiling to destroy it. Small freshwater fish can also carry liver fluke, a parasite linked to bile-duct cancer, and a review of Thai cases names fish preserved under 7 days as a likely source. This ferment takes 3–5 days, so fermenting does not replace cooking.